The In Harmony With Education Program - Bose
The In Harmony With Education Program - Bose
The In Harmony With Education Program - Bose
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Black Line Masters for the<br />
MENC: <strong>The</strong> National Association for Music <strong>Education</strong><br />
<strong>The</strong> <strong>In</strong> <strong>Harmony</strong> <strong>With</strong> <strong>Education</strong> ®<br />
<strong>Program</strong><br />
<strong>In</strong> this packet, you will find five masters, labeled with letters a-e, to be duplicated for use<br />
as you teach the lessons outlined in the <strong>In</strong> <strong>Harmony</strong> <strong>With</strong> <strong>Education</strong> ®<br />
program Teacher’s<br />
Guide.<br />
<strong>The</strong> remaining, numbered masters can be duplicated by you or your students as a source<br />
of ideas for the task of building musical instruments. <strong>The</strong>se masters are not, however, the only<br />
possibilities that you or your students should explore. <strong>The</strong>y are included here because they are<br />
instruments that are:<br />
• relatively inexpensive (most of the parts can be purchased at either a hardware store or,<br />
in the case of strings for some instruments, at a neighborhood music store).<br />
• likely to work well together.<br />
• well-suited to teaching important aspects of the production of musical sound.<br />
Your students may elect to make instruments that are much simpler than those described<br />
here. If limited by time or resources, for example, students may produce:<br />
• an <strong>In</strong>dian jaltarang, a percussion instrument consisting of a series of bowls tuned by the<br />
level of water in each bowl.<br />
• a zither consisting of a series of rubber bands stretched over a resonant cavity (large<br />
Styrofoam cups work well).<br />
• percussion instruments such as spoons (clappers) or shakers—or even an “instrument of<br />
defined body-percussion methods.<br />
Whenever students produce instruments with definite pitch, you will want to make certain<br />
that the pitches used will work in the context of the <strong>In</strong> <strong>Harmony</strong> <strong>With</strong> <strong>Education</strong> program.<br />
This means that the instruments should produce pitches from the pentatonic scale, G,<br />
A, B, D, E. (Note that some of the instruments defined in the Black Line Masters produce a<br />
plagal version of this scale, D, E, G, A, B). Whatever the students’ approach, you should<br />
encourage them to think through the cultural background of their instruments, the best musical<br />
uses of their instruments, and the scientific implications of the ways that they can use<br />
their instruments to control sound. <strong>The</strong> printed black line masters have notes on these<br />
aspects; the blank master gives students a place to spell out this information, as well.<br />
You should ask that all students submit plans for their instruments before making them.<br />
This will give you the chance to make certain that the students are thinking logically about<br />
the dimensions of sound to be controlled and the musical effects to be gained. It will also help<br />
parents who are involved enough to accompany the students on trips to buy (inexpensive)<br />
supplies—because the Black Line Masters used in planning contain parts lists.<br />
Finally, you should demand that students follow all appropriate safety procedures when<br />
making their instruments. <strong>In</strong>sist that students adhere strictly to all manufacturers’ instructions<br />
regarding ventilation for adhesives and safety glasses or other items for tools—and insist that<br />
they use common sense in their work.
1<br />
On the plywood, mark out<br />
an arc by using a compass set<br />
to 5" (or do it freehand).<br />
Tune the instrument:<br />
raise the pitch of any<br />
nail by hammering it in;<br />
lower the pitch by carefully<br />
pulling out a little<br />
with the hammer's claws.<br />
Tune to: D, E, G, A, B<br />
Making a Nail Violin/Nail Piano<br />
MENC: <strong>The</strong> National Association for Music <strong>Education</strong><br />
3<br />
12d<br />
MASTER #1<br />
2<br />
Starting 1" from the edge<br />
of the wood, pound in<br />
nails every 1-1/2" along<br />
the arc–putting the<br />
largest nails at the top<br />
and the smallest at the<br />
bottom. Don’t hammer<br />
them too deep.<br />
12d 12d<br />
10d<br />
8d
Materials<br />
❑ piece of 1/2" plywood, 12" x 6" or<br />
larger<br />
❑ 5 nails: 3 12d, 1 10d, 1 8d<br />
❑ violin or cello bow, or general<br />
instrument bow (see Master #2)<br />
Playing the Nail Violin<br />
Hold it in your left hand, with the arc of<br />
nails facing in front of you and the bottom<br />
resting on your left knee. <strong>The</strong>n, either:<br />
• bow the nails near the nail heads, or<br />
• strike the nails with a stick near the<br />
board<br />
<strong>The</strong> Nail Violin in<br />
Science and Culture<br />
<strong>The</strong> first nail violin that<br />
we know of was invented in<br />
1740 by a German violinist,<br />
Johann Wilde. <strong>The</strong> nails<br />
vibrate in much the same<br />
way as the bars on the xylophone<br />
and, like the xylophone<br />
bars, will give a pitch<br />
that gets progressively lower<br />
as the nails get longer and<br />
heavier. That is why the nail<br />
violin can be tuned by<br />
pounding the nails more to<br />
make them higher in pitch.<br />
[Note that, just as you can<br />
strike the nails on a nail violin,<br />
you can bow the bars of a<br />
xylophone or metallophone.]
4<br />
1<br />
5<br />
Run the strings<br />
over the rosin<br />
until they are well<br />
coated.<br />
Notch each end<br />
so that the notches<br />
go about 1/8" into<br />
the wood.<br />
Making a Multi-Purpose Bow<br />
MENC: <strong>The</strong> National Association for Music <strong>Education</strong><br />
Tie the other end<br />
around the stick about<br />
1/2" short of the lower<br />
notches. <strong>The</strong>n, slide<br />
the knot down (bending<br />
the stick as you do<br />
so) and pull tight.<br />
24"<br />
3<br />
MASTER #2<br />
2<br />
Run a loop of dental floss to a chair<br />
about 30" away from you, back to<br />
your hand, and back to the chair—<br />
until you have a pretty good size<br />
bundle.<br />
Tie one end of<br />
the bundle off<br />
to the upper<br />
notches and<br />
pull tight.
Materials<br />
❑ 1 flexible wood lath, about 1/4" x<br />
1/2", or 1/4" diameter dowel, about<br />
24" long (in a pinch, a relatively<br />
straight stick from a tree will do)<br />
❑ 1 roll unwaxed dental floss<br />
❑ 1 cake violin, cello, or bass rosin<br />
Tools<br />
❑ knife<br />
Playing with the Bow<br />
Grab the stick at the lower end (traditionally,<br />
with the right hand), and insert the<br />
ring and middle fingers between the stick<br />
and the fibers. Using those fingers, hold the<br />
fibers away from the stick and run them<br />
over the string to make it vibrate.<br />
<strong>The</strong> Bow in Science and<br />
Culture<br />
Bows for stringed instruments<br />
are used by cultures<br />
throughout the world—the<br />
European viol and violin families,<br />
the Arabic rebab, the<br />
Chinese er hu, to name a few.<br />
<strong>In</strong> playing with any bow, a<br />
musician needs to be able to<br />
control the tightness of the<br />
bow fibers. On modern violin<br />
bows, this is done with a screw<br />
mechanism; on many other<br />
bows, this tightness is regulated<br />
with the thumb.<br />
On many bows, the fiber<br />
that is rubbed across the strings<br />
of an instrument are made<br />
from animal hairs—the best<br />
known being the long hairs<br />
from the tails of horses. When<br />
the bow is rubbed across the<br />
string, friction helps it pull the<br />
string to one side. When the<br />
elastic force of the string (the<br />
way the string “wants” to go<br />
back to being straight) gets<br />
strong enough, it springs back.<br />
If the bow is still moving, it<br />
pulls it to the side again; it<br />
springs back again; and so on,<br />
over and over—many times a<br />
second.<br />
Rosin (made from the sap of<br />
certain trees) is rubbed on the<br />
bow hairs to add to the friction<br />
that makes the bow work.
1 Make an acute diagonal<br />
cut in one end of the<br />
1/2" diameter pipe with<br />
the hacksaw.<br />
6<br />
<strong>In</strong>sert into the<br />
13/16" pipe.<br />
Tape the reed in place<br />
so that its tip is just<br />
even with the top of<br />
the pipe; the flat side<br />
should be against the<br />
pipe.<br />
Making a Slide Clarinet<br />
MENC: <strong>The</strong> National Association for Music <strong>Education</strong><br />
5<br />
11"<br />
1<br />
2<br />
;;;;;<br />
;;;;;<br />
;;;;;<br />
4<br />
Roll the O-rings<br />
into place<br />
between the<br />
bands of tape,<br />
and coat with<br />
Vaseline.<br />
2<br />
MASTER #3<br />
Holding the sandpaper<br />
flat on the<br />
table, round off the<br />
diagonal cut so that<br />
it is convex.<br />
3<br />
On the other end of the<br />
pipe, wrap two bands of<br />
electrician’s tape about five<br />
or six layers deep, leaving<br />
about 1/4" free space<br />
between them.<br />
4 O-<br />
3
Materials<br />
❑ 1 piece 1/2" inside diameter PVC pipe,<br />
13" long<br />
❑ 1 piece 13/16" inside diameter PVC<br />
pipe, 11" long<br />
❑ 1 roll electrician’s (black) tape<br />
❑ 2 rubber O-rings ( 3/4 x 9/16 x<br />
3/32); you can get them in the<br />
plumbing section of a hardware<br />
store<br />
❑ Vaseline<br />
❑ 1 clarinet reed (#2)<br />
Tools<br />
❑ hacksaw<br />
❑ 100 grit sandpaper<br />
Playing the Slide Clarinet<br />
• Dampen the reed with saliva. Place it<br />
against your lower lip and blow hard.<br />
• Holding the top of the 1/2" pipe with your<br />
left hand, slide the 3/4" pipe in and out<br />
with your right hand. You should be able<br />
to get a range of about a Major 3rd, G<br />
to B.<br />
<strong>The</strong> Clarinet in Science<br />
and Culture<br />
<strong>The</strong> clarinet is technically a<br />
blown instrument with a cylindrical<br />
(straight) tube and a single<br />
reed. <strong>The</strong> reed is held in the<br />
player’s mouth in such a way<br />
that it “flaps” against the end of<br />
the clarinet, opening and closing<br />
many times a second and setting<br />
up a vibration in the air inside<br />
the instrument. <strong>The</strong> closed<br />
cylindrical shape of the air column<br />
gives it a distinctive sound<br />
(with only every other overtone);<br />
by opening holes in the<br />
side of the instrument, the player<br />
can effectively shorten the<br />
clarinet and produce higher<br />
pitches.<br />
<strong>The</strong>re are early clarinets—<br />
that is, single-reed instruments—in<br />
many cultures. One<br />
type was called the chalumeau—<br />
and the lower, fuller part of the<br />
modern clarinet’s range is still<br />
called the “chalumeau register.”<br />
<strong>The</strong> modern European clarinet<br />
was developed by Johann<br />
Christoph Denner in about<br />
1710. <strong>The</strong> fingering system was<br />
greatly improved in about 1840<br />
by H. Klose and L. Buffet (who<br />
followed the principals introduced<br />
on flutes by T. Boehm).<br />
Clarinets exist in many sizes,<br />
which allow players of the whole<br />
family of instruments to play<br />
very low and very high notes<br />
and to play conveniently in<br />
many keys.
1<br />
Drill a 1/4" hole in the<br />
center of the plywood,<br />
about 2" from one end.<br />
Run the guitar string<br />
through the small<br />
hole in the can and<br />
loop it several times<br />
so that it doesn’t<br />
slip—through the<br />
two small holes in<br />
the other end of the<br />
board.<br />
6<br />
MENC: <strong>The</strong> National Association for Music <strong>Education</strong><br />
<strong>In</strong>sert the dowel through the triangular<br />
openings in the can and then<br />
through the 1/4" hole in the board.<br />
About 2" from the lower end of the<br />
dowel, wrap tape around the dowel<br />
beneath the board to keep it from<br />
slipping back through the hole.<br />
5<br />
Making a Dan Bau<br />
1. 2.<br />
4<br />
2<br />
Drill a 1/8" hole<br />
in the center of<br />
the intact end of<br />
the can.<br />
MASTER #4<br />
About 5" from the<br />
other end, drill two<br />
1/8" holes.<br />
Taking the empty<br />
can with one end<br />
removed, use a can opener<br />
to make openings<br />
across from one another<br />
in the base near the<br />
intact end.<br />
4.<br />
3.<br />
3
Materials<br />
❑ sheet of 1/8" plywood, about 6" x 30"<br />
❑ dowel 1/4" diameter or larger, about 8"<br />
long<br />
❑ tin can (such as a soup can)<br />
❑ steel guitar string, about .014 gauge<br />
❑ tape (such as electrician's or masking tape)<br />
Tools<br />
❑ saw, to cut wood parts to size<br />
❑ 1/4" drill<br />
❑ 1/8" drill<br />
❑ can opener<br />
Playing the Dan Bau<br />
• Squatting on the floor, hold the dowel<br />
in the right hand with the other end of<br />
the board to your left. Hold down the far<br />
left end of the board with one foot.<br />
• Raise the can off the board by about 3"<br />
and pull the string tight.<br />
• Pluck the string with the left hand while<br />
pulling on the dowel to adjust tension<br />
with the right.<br />
• To get the real dan bau sound, you must<br />
play harmonics. Experiment with plucking<br />
the string with the index finger of<br />
the left hand while hitting the string at<br />
one point with the thumb—which you<br />
have to locate at a point 1/4, 2/3, or<br />
another simple ratio along the length of<br />
the string. It takes practice to find the<br />
exact point for a “harmonic node,” but<br />
the sound is worth it.<br />
<strong>The</strong> Dan Bau in Science<br />
and Culture<br />
Playing the dan bau shows<br />
the interaction between<br />
string tension and pitch—the<br />
tighter the string, the faster it<br />
vibrates, and the higher the<br />
pitch. It also shows the interesting<br />
sound quality that can<br />
come with harmonics. When<br />
the string is touched at a<br />
“node,” located at a point<br />
that cuts the string into<br />
lengths that form a simple<br />
ratio, only the “harmonic”<br />
that is still at that point can<br />
vibrate.<br />
Normally, strings vibrate<br />
simultaneously with many<br />
harmonics. <strong>The</strong> result is a<br />
high-pitched, pure sound.<br />
<strong>The</strong> dan bau is native to<br />
Vietnam. <strong>In</strong> that country, it<br />
is usually more elaborate—<br />
and the technique for producing<br />
harmonics is more<br />
elaborate than that given<br />
here. It is often used to<br />
accompany the reciting of<br />
epics, but is also played by<br />
itself.
1<br />
3<br />
Cut the bottom 2" or 3"<br />
out of the soda bottle.<br />
Fold about 1" of the<br />
remaining bottle material<br />
inside.<br />
Place the cloth tightly over<br />
the inner circle of the<br />
embroidery hoop. Place the<br />
outer hoop around it and<br />
tighten.<br />
Make a Tunable Drum<br />
MENC: <strong>The</strong> National Association for Music <strong>Education</strong><br />
MASTER #5<br />
2<br />
Run a thin line of glue<br />
around the place<br />
where the cloth disappears<br />
into the space<br />
between the hoops<br />
and let it dry. Make a<br />
thin “varnish” of<br />
watered-down glue<br />
and coat the entire<br />
cloth surface.
Materials<br />
❑ 1 embroidery hoop (6")<br />
❑ 1 square of linen or other cloth, about<br />
8" x 8"<br />
❑ white glue<br />
❑ 2-liter plastic soda bottle<br />
❑ pencil or mallet<br />
Tools<br />
❑ knife<br />
❑ scissors<br />
Playing the Tunable Drum<br />
Hold the soda bottle neck down, grab the<br />
bottle between your legs. Place the hoopand-cloth<br />
“drum head” over the wide opening.<br />
Holding the edges of the hoop down<br />
with the left hand, use a pencil end or<br />
other small stick to strike the head.<br />
Pressing down on the hoop will raise the<br />
pitch—and you can experiment with dampening<br />
the cloth of the head to tighten it<br />
and get a better sound.<br />
<strong>The</strong> Drum in Science<br />
and Culture<br />
Drums—membranes<br />
stretched over a resonant<br />
cavity—appear in almost all<br />
cultures. <strong>In</strong> any drum,<br />
tightening the head gives a<br />
higher pitch (though the<br />
pitch may be too complex<br />
to be heard as a single<br />
pitch). This effect is used by<br />
players of the dunsdun of<br />
the Yoruba people, who<br />
press on the strings that<br />
hold the heads of their<br />
hourglass-shaped instruments<br />
to vary the head tension<br />
while they play.<br />
Modern orchestral kettledrums,<br />
or timpani, have a<br />
mechanism to accomplish<br />
this same effect. <strong>The</strong> mechanism<br />
on these instruments<br />
is worked with a foot pedal<br />
or a hand crank.<br />
<strong>The</strong> difficulty in identifying<br />
exact pitches of many<br />
drums comes from the fact<br />
that the drum head can<br />
vibrate in many, extremely<br />
complex, ways—and not all<br />
of these ways of vibration<br />
give frequencies that line up<br />
according to the orderly overtone<br />
series produced by<br />
instruments of exact pitch.
1<br />
Coil the tube and tape<br />
the coils together.<br />
<strong>In</strong>sert the mouthpiece into one<br />
end of the tubing. Blow into it,<br />
using the same embouchure as on<br />
any brass instrument, and determine<br />
the note (which should be<br />
a little flat from G).<br />
Making a Hoseaphone<br />
MENC: <strong>The</strong> National Association for Music <strong>Education</strong><br />
4<br />
3<br />
MASTER #6<br />
2<br />
Using the knife, cut off a little<br />
of the free end of the<br />
hose and test again. Repeat<br />
as necessary until the fundamental<br />
note sounds as G.<br />
<strong>In</strong>sert the funnel into the free<br />
end. Test the tuning again; it<br />
may be necessary to trim the<br />
tube a little more.
Materials<br />
❑ 1 brass instrument mouthpiece<br />
❑ 3/8" inside diameter plastic tubing<br />
(about 5' 4")<br />
❑ kitchen funnel<br />
❑ electrician’s tape<br />
Tools<br />
❑ knife<br />
Playing the Hoseaphone<br />
You can hold the coiled tube in any way<br />
you want—keeping the funnel to the front<br />
will project more sound to your audience.<br />
Keeping your lips loosely compressed, put<br />
the mouthpiece to the center of your<br />
mouth and blow, allowing the lips to<br />
“buzz.” By increasing the pressure of your<br />
blowing and the tension of your lips, you<br />
will be able to play some of the overtones<br />
available on your instrument (you should<br />
be able to get at least G, D, and G an<br />
octave higher).<br />
<strong>The</strong> Hoseaphone in<br />
Science and Culture<br />
<strong>The</strong> hoseaphone is a fanciful<br />
instrument played by some musicians<br />
as a joke—but, in principle,<br />
it is equivalent to any one of<br />
a number of “lip-vibrated aerophones”<br />
(instruments into which<br />
the player blows, creating vibrations<br />
with his or her lips). <strong>In</strong><br />
Oceania, shells have holes cut<br />
into them that act as mouthpieces;<br />
in Tibet, large animal<br />
bones are hollowed out and<br />
blown in this way; in the northwestern<br />
corner of South<br />
America, some cultures made<br />
“trumpets” out of pottery; and<br />
the use of metal to make these<br />
“brass” instruments dates back at<br />
least to the first millennium<br />
B.C.E. in uses by Assyrian,<br />
Egyptian, and Hebrew cultures.<br />
One of the most interesting<br />
aspects of the science of trumpet-making<br />
is the effect of the<br />
shape of the tube on the sound.<br />
First, the tube can be curled<br />
around without any appreciable<br />
effect on the pitch or tone<br />
color—but the shape of the tube<br />
has a great effect. For example,<br />
modern orchestral trumpets are<br />
basically cylindrical (straight)<br />
tubes. Cornets, on the other<br />
hand, have a more conical tube,<br />
giving them a “softer” tone color<br />
with weaker upper overtones.
1<br />
MENC: <strong>The</strong> National Association for Music <strong>Education</strong><br />
Cut the PVC into<br />
the following<br />
lengths (in inches):<br />
9 1/2", 8 1/2",7 1/2",<br />
7" and 6". Sand the<br />
ends smooth.<br />
<strong>In</strong>sert a “cork” of rolled up plastic<br />
wrap into the lower ends, a little<br />
at a time, and tune the tubes to<br />
G, A, B, D, and E. Pushing the<br />
corks in will make the pitch<br />
higher—pushing out with a<br />
dowel or other stick will make<br />
the pitch lower.<br />
Making Panpipes<br />
3<br />
MASTER #7<br />
Align the top<br />
ends of the tubes<br />
and tape them<br />
together.<br />
2
Materials<br />
❑ 1/2" diameter PVC tubing<br />
(about 37" total)<br />
❑ duct tape<br />
❑ plastic kitchen wrap<br />
Tools<br />
❑ hacksaw<br />
❑ 100 grit sandpaper<br />
Playing the Panpipes<br />
Hold the pipes with the longest tube on<br />
your left. Blow strongly across the top, saying<br />
something like “doo” to get a definite<br />
beginning to the sound. Practice doing this<br />
with each tube in scale order and jumping<br />
from note to note.<br />
Panpipes in Science and<br />
Culture<br />
Also called raft pipes<br />
(because they look somewhat<br />
like a raft of logs), they are<br />
used by many cultures including<br />
the Aymara of the South<br />
American Andes and the<br />
Basque of Spain and France.<br />
<strong>The</strong>y were even specified as<br />
the instrument for the character<br />
Papageno in Mozart’s<br />
opera, <strong>The</strong> Magic Flute.<br />
<strong>The</strong> sikuri (singular siku),<br />
the pipes of the Aymara, are<br />
distinctive in that they are<br />
made in pairs. <strong>The</strong> notes of<br />
any given melody are divided<br />
between the players of each<br />
panpipe in the pair—and<br />
only by alternating, or interlocking,<br />
the notes of their<br />
two paired instruments can<br />
musicians play their relatively<br />
complex and very exciting<br />
pieces.<br />
When panpipes are<br />
played, blowing over the tops<br />
of the tubes causes turbulence<br />
in the air stream. <strong>The</strong><br />
air tends to alternate passing<br />
over the top and into the<br />
tube, setting up a vibration<br />
inside the tube. <strong>The</strong> speed of<br />
the vibration is set by the<br />
length of the tube—the<br />
longer the tube, the slower<br />
the vibration, and the lower<br />
the pitch.
5<br />
1<br />
Open one end of<br />
can. Make two<br />
holes with the nail<br />
or awl on opposite<br />
sides near closed<br />
end of can.<br />
Run the guitar string through<br />
the 1/8" hole in the big<br />
dowel, over the small piece of<br />
wood (the bridge) placed<br />
against the can, and through<br />
the 1/8" hole in the little<br />
dowel.<br />
Twist the little dowel to tune.<br />
MENC: <strong>The</strong> National Association for Music <strong>Education</strong><br />
4<br />
Stick the 1"<br />
dowel through<br />
the tube; stick<br />
the 3/8" dowel<br />
through the 1"<br />
dowel.<br />
Making an Erhu<br />
2<br />
MASTER #8<br />
Widen each hole with<br />
metal shears to 1"<br />
diameter.<br />
Tape around jagged<br />
edges of holes.<br />
On the 1" dowel, drill<br />
a 3/8" hole 2" from<br />
one end, and an 1/8"<br />
hole at other end.<br />
On the 3/8" dowel,<br />
drill an 1/8" hole near<br />
one end.<br />
3
Materials<br />
❑ can (large, such as 28 oz. tomato sauce)<br />
❑ 1" wooden dowel, about 20" long<br />
❑ 3/8" wooden dowel, about 4" long<br />
❑ piece of wood, about 3" x 1/2" x 1/4"<br />
❑ metal guitar string (about .010 gauge)<br />
❑ electrician’s or duct tape<br />
Tools<br />
❑ 1" drill<br />
❑ 3/8" drill<br />
❑ 1/8" drill<br />
❑ metal shears (tin snips)<br />
❑ nail or awl<br />
Playing the Erhu<br />
Hold the upright spike of the instrument<br />
between the thumb and palm of the left<br />
hand. Place the lower spike against the<br />
right thigh, and hold a bow in the right<br />
hand. While drawing the bow across the<br />
strings, you can lightly touch the strings<br />
with the fingers of the left hand to get new<br />
pitches. Don’t try to push the strings all the<br />
way down to the spike.<br />
<strong>The</strong> Erhu in Science and<br />
Culture<br />
<strong>The</strong> name “erhu” means<br />
two-stringed barbarian [fiddle]—it<br />
was introduced into<br />
China in a period of expanding<br />
foreign influence. <strong>The</strong><br />
real erhu has two strings,<br />
with the bow passed between<br />
them. <strong>The</strong> erhu fits into the<br />
general classification of<br />
“spike fiddle” or string instrument<br />
in which a single spike,<br />
which holds the string or<br />
strings, is driven through a<br />
resonator.<br />
<strong>In</strong>struments of this type<br />
show up in many cultures<br />
and are possibly at the basis<br />
of modern Western bowed<br />
string instruments.
MENC: <strong>The</strong> National Association for Music <strong>Education</strong><br />
Making a Maraca<br />
1 Put the rattling medium<br />
in the box or can. 2 Tape or seal it shut.<br />
MASTER #9
Materials<br />
❑ Anything that can hold things, like an<br />
old coffee can, juice can, cardboard box<br />
(such as a one-serving cereal box)<br />
❑ Anything that rattles, like rice, beans,<br />
popcorn, small stones<br />
Playing the Maraca<br />
Rattle, swirl, or strike it. Try to hold it so<br />
that it does not inhibit the vibration of the<br />
box.<br />
Maracas in Science &<br />
Culture<br />
Maracas are best known to<br />
most residents of the United<br />
States in the context of<br />
music from South America,<br />
but in the generic form of<br />
shakers, they are used in<br />
many musics, notably those<br />
of Native Americans. Folk<br />
instruments are often gourds<br />
(large seed-pods of various<br />
plants) filled with beads,<br />
seeds, or stones.
MENC: <strong>The</strong> National Association for Music <strong>Education</strong><br />
1 Take a cardboard paper towel<br />
tube. Coat it with a few layers<br />
of white glue. Alternatively, use<br />
a plastic tube or thick wooden<br />
dowel.<br />
Making a Güiro<br />
2 Cut a series of slits on one<br />
side of the tube.<br />
MASTER #10
Materials<br />
❑ 1 cardboard, wood, or plastic tube<br />
❑ 1 thin stick as scraper<br />
Playing the Güiro<br />
• Hold the instrument cupped in the left<br />
hand, leaving as much of the tube free to<br />
vibrate as possible.<br />
• Holding the stick in the right hand,<br />
scrape it along the serrations. Experiment<br />
with moving the stick more or less<br />
rapidly.<br />
• For a louder sound, hold one end of the<br />
güiro against a desk, box, or other<br />
resonator.<br />
<strong>The</strong> Güiro in Science and<br />
Culture<br />
An instrument most often<br />
found in the music of Central<br />
America and the Caribbean,<br />
it goes by many other names:<br />
rascador in Cuba, guachara<br />
in Panama and Colombia. It<br />
is usually a piece of wood or a<br />
gourd (plant) with serrations<br />
(rough spots) in one side.<br />
<strong>The</strong> player slides a scraper<br />
over the serrations. As a percussion<br />
instrument, it has the<br />
advantage of allowing very<br />
short, accented effects, or (by<br />
scraping more slowly) longer<br />
held “notes.”<br />
<strong>The</strong> güiro is called for in<br />
some very large orchestral<br />
scores, like Stravinsky’s Rite<br />
of Spring. <strong>In</strong> Ravel’s opera,<br />
<strong>The</strong> Child and the Sorcerers,<br />
the güiro is specified as a<br />
possible substitution for<br />
another instrument—the<br />
cheese grater.
3<br />
1<br />
Making a Prepared Piano<br />
MENC: <strong>The</strong> National Association for Music <strong>Education</strong><br />
Using great care not to drop or mar anything, screw<br />
a wood screw between one of the pairs of strings in<br />
the tenor register of the piano.<br />
Try moving it for different sounds.<br />
Try weaving a piece of paper over and under the strings<br />
about 5" in front of the hammers. Note: you can also try<br />
preparing an autoharp.<br />
MASTER #11<br />
2<br />
Try placing a rubber<br />
eraser between string<br />
pairs.<br />
Again, try moving it<br />
for different sounds.
Materials<br />
❑ 1 piano (preferably a grand rather than<br />
an upright)<br />
❑ several wood screws, erasers, paper<br />
Playing the Prepared Piano<br />
Play just as you would any piano—but you<br />
will find that the pitches aren’t necessarily<br />
in order any more. So in writing for prepared<br />
piano, you should think of each key<br />
as actuating a separate percussion instrument<br />
rather than a note on one instrument.<br />
<strong>The</strong> Prepared Piano in<br />
Science and Culture<br />
American composer John<br />
Cage developed the prepared<br />
piano as a way to get the<br />
variety of sounds offered by a<br />
large group of percussion<br />
instruments—without having<br />
to cart around a large group<br />
of percussion instruments. <strong>In</strong><br />
his 1940 composition,<br />
Bacchanale, he directed the<br />
performer to “prepare” a<br />
piano by placing screws,<br />
bolts, and bits of rubber in<br />
the strings.<br />
<strong>The</strong> exact placement of<br />
the items is essential—if a<br />
preparation is put at a “node”<br />
of one of the string’s overtones,<br />
it will tend to reinforce<br />
that overtone. If it is<br />
placed at a point that is not a<br />
node, it will tend to deaden<br />
the string and make the pitch<br />
less definite (harder to identify<br />
as a single note).<br />
<strong>The</strong> material is also<br />
important; if it is softer, it<br />
tends to deaden the string’s<br />
vibration.
7<br />
1<br />
Drill a 1/4" hole about<br />
1" from one end of the<br />
tube; use the nail or<br />
awl to poke a small<br />
hole in the other end.<br />
Loosen<br />
the<br />
string<br />
and cut<br />
notches at the marked<br />
positions. <strong>The</strong> notches<br />
should be deep enough that<br />
a Pospsicle stick placed in<br />
each one just clears the top<br />
of the tube<br />
Re-tighten the string.<br />
MENC: <strong>The</strong> National Association for Music <strong>Education</strong><br />
3<br />
6<br />
Press the string against the tube to find the<br />
notes E, G, A, B, and D. Mark the positions of<br />
each note. <strong>The</strong>y will be about 2 1/2", 5 3/4",<br />
7 1/4", 8 3/4", 10 3/4" from the screw.<br />
Making a Tube Vina<br />
1<br />
2<br />
2<br />
3<br />
MASTER #12<br />
Thread a nut and washer<br />
up to the top of the<br />
eye bolt; insert in the<br />
1/4" hole.<br />
Put the other washer<br />
and nut inside and<br />
tighten finger tight.<br />
4<br />
Saw a shallow<br />
notch perpindicular<br />
to<br />
the axis of the<br />
tube about 1/2"<br />
from the small<br />
hole. Place a<br />
Popsicle stick<br />
in it.<br />
5<br />
Working from inside out, poke guitar string<br />
through the small hole, run it over the<br />
Popsicle stick bridge, thread it through and<br />
around the eye bolt, twisting to bring it up<br />
to a “d”.<br />
5<br />
6<br />
4
Materials<br />
❑ 1 cardboard mailing tube (about 3"<br />
diameter, about 24" long)—must be<br />
thick cardboard<br />
❑ 1 eye bolt (1/4" x 2", with 2 nuts and<br />
washers)<br />
❑ 6 Popsicle sticks<br />
❑ 1 guitar string (D or 4th for nylon-string<br />
guitar)<br />
Tools<br />
❑ saw (preferably a keyhole saw)<br />
❑ 1/4" drill<br />
❑ nail or awl<br />
Playing the Vina<br />
• Hold the instrument upright, resting on<br />
your left knee.<br />
• <strong>With</strong> the left hand, place a finger just<br />
behind one of the Popsicle stick frets.<br />
• <strong>With</strong> the right hand, pluck the string<br />
close to the bridge.<br />
<strong>The</strong> Vina in Science<br />
and Culture<br />
<strong>The</strong> earliest references to<br />
the vina are about 3,000<br />
years old—and various related<br />
instruments are still<br />
played today in <strong>In</strong>dia and in<br />
Southeast Asia. <strong>The</strong> bin and<br />
the sitar are perhaps the best<br />
known such instruments. <strong>In</strong><br />
addition, the basic idea of a<br />
stretched string running over<br />
frets appears in many cultures—closest<br />
to home in the<br />
United States, in the guitar.<br />
Plucking the string gives<br />
energy for vibration, and the<br />
speed of vibration is directly<br />
proportional to the length of<br />
the string. That is why the<br />
fret for the octave D in this<br />
instrument ends up exactly<br />
half way between the bridge<br />
and the tuning bolt.
4<br />
1<br />
Glue down one<br />
Popsicle stick<br />
near one edge of<br />
the block of<br />
wood.<br />
Tighten the screws a little—<br />
still allowing some movement<br />
of the sticks. Pull in<br />
and push out to tune to G,<br />
A, B, D, E.<br />
MENC: <strong>The</strong> National Association for Music <strong>Education</strong><br />
Making a Mbira<br />
2<br />
1<br />
Put a screw in each hole<br />
and insert a Popsicle<br />
stick between each pair<br />
of screws. <strong>The</strong> sticks<br />
should project over the<br />
glued-down stick.<br />
2<br />
MASTER #13<br />
About 1/2" back<br />
from the stick,<br />
make holes for 6<br />
screws. Separate<br />
each hole by<br />
1/2".<br />
3
Materials<br />
❑ 6 Popsicle sticks (better to have more, as<br />
they can vary considerably in thickness<br />
and flexibility)<br />
❑ 1 block of 3/4" wood, about 5" x 3"<br />
❑ 6 screws (flathead #6 sheet metal screws)<br />
Tools<br />
❑ glue<br />
❑ screwdriver<br />
Playing the Mbira<br />
• Place on a resonant surface (such as a<br />
desk or table) and hold in place with the<br />
left hand; flick down on the Popsicle<br />
sticks with the right hand.<br />
• To make the mbira self-contained, mount<br />
it on a permanent resonator such as a<br />
box, a discarded one-gallon milk<br />
container, or other hollow body.<br />
• You can also make a bass mbira by using<br />
larger screws and wooden (not plastic)<br />
rulers in the place of Popsicle sticks.<br />
<strong>The</strong> Mbira in Science<br />
and Culture<br />
Mbira is only one word for<br />
a “lamellaphone”: an instrument<br />
that makes sound with<br />
lamella (thin plates of wood,<br />
metal, or another material).<br />
If the material is uniform, a<br />
longer lamella will produce a<br />
lower note. If it is not uniform,<br />
factors such as weight<br />
and flexibility come into play<br />
to complicate matters.<br />
<strong>In</strong> several parts of Africa,<br />
lamellaphones are used as<br />
important instruments to<br />
accompany song. Other<br />
names for it are malimba,<br />
kalimba, likembe, agidigbo,<br />
and sansa. <strong>In</strong> some cases, as<br />
among the Nsenga people,<br />
the music is purely instrumental.<br />
<strong>The</strong> resonator cavity<br />
for the instrument is sometimes<br />
a wooden box (often<br />
with soundholes that can be<br />
covered or uncovered by the<br />
player to alter the tone), and<br />
sometimes a gourd.
1<br />
Cut the cardboard as<br />
shown and tape<br />
together to form a box.<br />
4 Place the bars in<br />
order along the resonator<br />
cavity. For the<br />
best sound, they should be<br />
supported by the cardboard at<br />
points 1/4 of the way in from<br />
each end. When you find the<br />
best (most resonant) point for<br />
each bar, mark the spot and<br />
cut shallow notches in the<br />
cardboard to keep the bars in<br />
place. Note: you can use<br />
wooden dowels (at least 3/4"<br />
diameter) in place of the conduit<br />
to make a marimba—but<br />
you will have to experiment<br />
with the proper length to<br />
produce the pitches you want<br />
because lengths will vary<br />
depending on the type of<br />
wood and thickness. You can<br />
also experiment with other<br />
materials—even<br />
paper towel rolls<br />
will give a soft<br />
note (of less definite<br />
pitch) when<br />
struck in this<br />
way.<br />
Making a Metallophone<br />
MENC: <strong>The</strong> National Association for Music <strong>Education</strong><br />
12"<br />
3"<br />
3"<br />
3"<br />
11 3/4"<br />
8"<br />
4"<br />
MASTER #14<br />
2<br />
Cut the conduit to the<br />
following lengths: 13<br />
5/8", 12 3/4", 11 5/8",<br />
11", 10 5/8", 9 5/8"<br />
[Hint: cut the longest<br />
length first and use the<br />
file to tune (as you file<br />
a little off, the pitch<br />
rises). This way, if you<br />
file off too much, you<br />
can still use that<br />
length for a higher<br />
pitch.]<br />
3<br />
Hold up each length of<br />
tubing by a string tied<br />
around its center point<br />
and strike to tune by filing<br />
a little off either<br />
end. You should be able<br />
to get the notes D, E, G,<br />
A, B, and D. Color the<br />
“G” red—it is the<br />
“home” note of the<br />
scale.
Materials<br />
❑ corrugated cardboard (from an old<br />
packing box)<br />
❑ packing tape<br />
❑ 3/4" electrical conduit (about 70" total)<br />
Tools<br />
❑ hacksaw<br />
❑ metal file<br />
❑ knife<br />
Playing the Metallophone<br />
• Strike the bars near the center.<br />
• Experiment with different beaters—<br />
metal, wood, pencil eraser ends, and<br />
so on.<br />
<strong>The</strong> Metallophone in<br />
Science and Culture<br />
Metallophones first show<br />
up in Chinese tombs from<br />
around 700 C.E. Today, they<br />
are prominent in the music<br />
of <strong>In</strong>donesia and, in the form<br />
of the Glockenspiel and<br />
Vibraphone, in Western<br />
music. <strong>The</strong> shape and size of<br />
the resonant cavity in a metallophone<br />
is critical: that is<br />
why the vibraphone can get a<br />
pulsating effect by using a<br />
motor to close off and open<br />
up the resonating tubes that<br />
hang below each key.<br />
<strong>The</strong> marimba (the same<br />
instrument, with wooden<br />
keys) shows up around the<br />
world—notably in Africa and<br />
as an African import into<br />
South America.
1<br />
Mark out on the plywood two lines running<br />
up from the two lower corners (at about a<br />
45 degree angle).<br />
7 <strong>In</strong>sert the blocks<br />
under the strings,<br />
about halfway between the<br />
holes and the screw eyes.<br />
6 Sand the<br />
small wood<br />
blocks to make<br />
a peak on the top of<br />
each one. Fold the<br />
sandpaper and<br />
sand a notch<br />
across each<br />
peak.<br />
MENC: <strong>The</strong> National Association for Music <strong>Education</strong><br />
Making a Koto<br />
MASTER #15<br />
2 Drill a series of five 1/8"<br />
holes about every 2" along<br />
the lines.<br />
5<br />
Run nylon twine<br />
through the holes<br />
on the left, tie it to the screw eyes on<br />
the right, and twist the screw eyes to<br />
tighten.<br />
3<br />
Fasten the two<br />
wooden slats<br />
below the long sides of the<br />
plywood, using glue and<br />
nails.<br />
4<br />
<strong>With</strong> the angle<br />
formed by the<br />
lines on the plywood facing<br />
away from you, insert<br />
the screw eyes in the holes<br />
to the right.
Materials<br />
❑ 1 sheet 1/8" plywood, about 9" x 30"<br />
❑ 2 1/2" wooden slats, about 1" x 30"<br />
❑ 5 screw eyes, about 3/4"<br />
❑ 5 wooden blocks, about 3/4" x 3/4" x 3/8"<br />
❑ thin nylon twine<br />
❑ 6 small nails (brads)<br />
Tools<br />
❑ glue (white glue or carpenter’s glue)<br />
❑ 1/8" drill<br />
❑ hammer<br />
❑ coarse sandpaper<br />
Playing the Koto<br />
Tune the instrument to D, E, G, A, and B<br />
by turning the eyes and moving the woodblock<br />
“bridges” to the left or right. Pluck<br />
the segment of string to the right. When<br />
playing, you can get notes in between the<br />
tuned pitches by pressing down with the<br />
fingers of your left hand on the segment of<br />
each string to the left. This technique is<br />
called, on the Japanese koto, “ko.”<br />
<strong>The</strong> Koto in Science and<br />
Culture<br />
<strong>The</strong> koto is basically a<br />
zither with moveable bridges.<br />
As such, it is a member of a<br />
large family of instruments<br />
across eastern Asia such as<br />
the zheng of China or the<br />
kayagum of Korea. Zithers<br />
are also important to many<br />
other musical traditions. For<br />
example, the Latvians play a<br />
kokle; and in Burundi, musicians<br />
play an inanga.<br />
Tuning and playing the<br />
koto demonstrates the interdependence<br />
between length<br />
and tension in setting the<br />
pitch of a stringed instrument.<br />
Tuning the strings<br />
tighter (raising the tension)<br />
raises the pitch—but so does<br />
moving the bridge (adjusting<br />
the length). And the ko<br />
technique of increasing string<br />
tension while playing also<br />
changes the pitch.
Making a ______________<br />
MENC: <strong>The</strong> National Association for Music <strong>Education</strong><br />
(Create your own musical instrument)<br />
MASTER #16
Materials<br />
❑<br />
❑<br />
❑<br />
❑<br />
Tools<br />
❑<br />
❑<br />
❑<br />
Playing a ______________
Draw a continuous line for each of the four dimensions of musical sound. <strong>The</strong> first section of “dynamics” has been completed for you.<br />
0:00 0:27 1:03 1:38 2:12<br />
loud<br />
Brahms Hungarian Dance #5 Master a<br />
Dynamics<br />
soft<br />
high<br />
Pitch<br />
low<br />
rich<br />
Tone Color<br />
less rich<br />
long<br />
Duration<br />
short<br />
Melody A Melody B Melody C<br />
Melodies A & B
Rondo Planning Sheet<br />
A Section:<br />
Identify the instrument type for each instrumental part. <strong>The</strong>n decide if specific pitches are to<br />
be used, and write them in the space provided. Finally, add a melody (if desired).<br />
Melody<br />
Part 1<br />
type_________<br />
Part 2<br />
type_________<br />
Part 3<br />
type_________<br />
Part 4<br />
type_________<br />
Pitches?<br />
Pitches?<br />
Pitches?<br />
MASTER b<br />
– – – – – – – – – – – – – –<br />
– – – – –<br />
– – – – – – – – – – – – – – – –<br />
Pitches? – – –– – ––<br />
B Section:<br />
Identify the specific instruments to be used, describe the character of the music to be played, and specify<br />
and rythmic or melodic ideas.<br />
<strong>In</strong>struments________________________<br />
Description___________________________________________________________________<br />
____________________________________________________________________________<br />
Rhythm or melody<br />
MENC: <strong>The</strong> National Association for Music <strong>Education</strong>
MASTER #1<br />
C Section:<br />
<strong>In</strong>struments________________________<br />
Description___________________________________________________________________<br />
____________________________________________________________________________<br />
Rhythm or melody<br />
D Section:<br />
<strong>In</strong>struments________________________<br />
Description___________________________________________________________________<br />
____________________________________________________________________________<br />
Rhythm or melody<br />
E Section:<br />
<strong>In</strong>struments________________________<br />
Description___________________________________________________________________<br />
____________________________________________________________________________<br />
Rhythm or melody
Part 2<br />
Listen, and identify the sound used on CD Track 11. (It is the same sound as that used on CD<br />
track 12, with one difference.)<br />
• Musical Sounds - their “envelopes”<br />
Sound, Overtones, and <strong>In</strong>struments<br />
MENC: <strong>The</strong> National Association for Music <strong>Education</strong><br />
violin clarinet<br />
piano<br />
trumpet<br />
1 2 3 4 56 7 1 2 3 4 5 6 7<br />
1 2 3 4 56 7<br />
1 2 3 4 5<br />
flute sin wave sawtooth wave<br />
1 2 3 4<br />
intensity<br />
(loudness)<br />
1<br />
CD Track 1 CD Track 2<br />
time<br />
1 2 3 4 56 7<br />
MASTER c
Part 3<br />
Listen to the “envelopes” for a series of sounds on the same instrument.<br />
• CD track 13<br />
Identify the characteristics of your instrument<br />
<strong>In</strong>strument name:__________________________________<br />
Method of playing:_________________________________<br />
<strong>In</strong>strument richness (place a mark along the scale):<br />
<strong>In</strong>strument “envelope”<br />
➜<br />
• • • • • • •<br />
sin wave<br />
flute<br />
less rich richer ➜<br />
intensity<br />
(loudness)<br />
time<br />
clarinet<br />
trumpet<br />
piano<br />
violin<br />
sawtooth wave<br />
MASTER #1<br />
a b c d e
Careers That Combine<br />
Music, Science, and Math<br />
If you are considering a career in music, you may not be aware of the variety of music professions available to you and the opportunities<br />
they hold. <strong>In</strong> particular, there are several careers that can call on an individual’s talents and knowledge in the areas introduced<br />
in the <strong>Bose</strong> ® <strong>In</strong> <strong>Harmony</strong> <strong>With</strong> <strong>Education</strong> ® program.<br />
Studio Arranger<br />
Arrangers can be freelance or affiliated with a particular studio. <strong>The</strong>y score songs for the group and the instruments used in the<br />
recording session. <strong>The</strong> arranger may be a songwriter scoring his or her own works, be a member of a performing group, or work fulltime<br />
at arranging. Arrangers’ fees are set by union contracts based on number of score pages: the more scores an arranger prepares,<br />
the higher the fee. Many arrangers work nights; daytime hours are spent answering inquiries and sometimes conducting.<br />
If you want to become an arranger, it is important to read music quickly and write neatly. While you do not have to play any instruments<br />
well, it is very important that you have a working knowledge of each instrument for which you might be scoring, including<br />
their timbres, temperaments, and ranges. You will also need a strong sense of what is currently popular and an instinct for future<br />
trends. <strong>In</strong>come as an arranger is usually based on commissions when music is sold for publication, recording, or broadcast.<br />
Electronic Design Engineer<br />
<strong>The</strong> market for audio electronics—both for consumer and for professional applications—is very large. <strong>The</strong> engineers who design the<br />
equipment that supplies this market are, consequently, likely to be in demand.<br />
If you want to be an electronic design engineer you will need a high level of math proficiency and knowledge of the sciences (particularly<br />
the physical sciences and, perhaps, the life science of psychoacoustics). This means, in practice, taking as much math and<br />
science as you can in high school. <strong>With</strong> some vocational education, this would allow you to work as a technician, or it could allow<br />
you to get into engineering school. Once in college, you will need a four-year Bachelor’s degree in Electrical Engineering to start<br />
design work. Further study (useful in moving forward in the profession) generally includes specialization in fields such as programming,<br />
circuit design, power engineering, or manufacturing/process engineering.<br />
You have the necessary personal attributes if you are good at working as part of a team toward a well-defined, technical goal. And,<br />
of course, a love of music can help as a motivator. Salary range in this field for a graduate with a Bachelor’s degree is in the<br />
$40,000 range to start.<br />
<strong>In</strong>strument Production Worker<br />
MENC: <strong>The</strong> National Association for Music <strong>Education</strong><br />
MASTER d<br />
Different skills are required for the manufacture of different instruments. <strong>The</strong>re is a need in all phases, however, for tool and die<br />
makers, assemblers, screw machine operators, buffers, sanders, and tuners. Manufacturers of brass and some woodwind instruments<br />
have positions for die casters, solderers, engravers, lacquerers, platers, valve makers, and others skilled in assembling various elements<br />
as the instruments near completion.<br />
<strong>The</strong> newer instruments, such as synthesizers, require the talents of engineers who understand microcircuitry and computer technology.<br />
Since electronic instruments contain chips to handle a variety of functions, engineers must understand not only the functions<br />
of the components but their musical potential as well. (See the section on Design Engineers.)
MASTER #1<br />
Pianos, despite changes in style and appearance, are basically the same instruments they have always been. Modern production<br />
methods may be used to manufacture metal interior pieces and for primary woodworking, veneering, and mill operations, but the<br />
final product is the result of handcrafting and skilled artisanship.<br />
Likewise, there are few shortcuts in the manufacture of quality guitars, violins, and other stringed instruments. Highly refined woodworking<br />
skills are necessary for the production of a good stringed instrument and its decorative carving or inlay.<br />
Among traditional musical instruments, drums have perhaps benefited most from the development of new materials. Plastics have<br />
replaced animal skins as drumheads and are widely used for the bodies. <strong>The</strong> finished drum, however, still requires handwork. Skilled<br />
craftsmanship is necessary for gluing joints, centering the head, trimming, sanding, and tuning. <strong>The</strong> final assembly of any instrument,<br />
in fact, is reserved for the best trained and most highly skilled members of the production staff.<br />
After completion, each instrument is evaluated by a tester before it leaves the plant. Testers must be musicians as well as craftsmen,<br />
familiar with the instrument and its musical capabilities and able to make minor adjustments or pinpoint problems for adjustment<br />
by others on the production line.<br />
While some production functions can be handled by a person without musical training, knowing how to play the instrument is an<br />
important asset. According to one manufacturer, knowing how to play an instrument might be compared to having a college degree<br />
in another field. <strong>In</strong> many instances it will be helpful in progressing to a more skilled, better paying job.<br />
If you are interested in a career in musical instrument manufacturing, you can find job opportunities around the United States. <strong>The</strong><br />
supply industries, those making cast-iron plates, actions, keyboards, hardware, tuning pins, strings, and mouthpieces are generally<br />
located near the manufacturing site.<br />
For a career in instrument manufacturing, you must meet age requirements of various states as well as labor and insurance laws. You<br />
do not need any basic skills for a beginning job other than the ability to learn, since most manufacturers have on-the-job training<br />
programs. Some firms also have apprenticeship programs for the more skilled craft jobs. Salaries vary widely according to the wage<br />
and salary scale of each industry.<br />
<strong>In</strong>ventor<br />
Another possibility for a career in instrument manufacturing lies in design and development. Often, specialists in other fields, such<br />
as electronics and engineering, computer software, or music performance, have created new instruments that have led to the development<br />
of new industries.<br />
<strong>In</strong>fluential musical instrument inventors have included John Philip Sousa, sousaphone; Laurens Hammond, electric organ; Harold<br />
Rhodes, electric piano; Robert Moog and RCA engineers Harry Olson and Herbert Belar, synthesizer; and John Chowning of<br />
Stanford University, digital synthesizer. Hundreds of others have made refinements in basic instruments or created accessory items,<br />
amplification equipment, and adapters that have broadened the capabilities of instruments or have made them easier to play.<br />
Recording Engineer or Mixer<br />
<strong>The</strong> engineer sets up microphones and operates equipment necessary to record the session. <strong>The</strong> producer may give presession<br />
instructions to the engineer, including a studio floor plan showing instrumental groupings, microphone placement, and the acoustical<br />
baffles to be used. <strong>The</strong> engineer is concerned with five areas: musical range, rhythm, variety, dynamics, and spectral control.<br />
<strong>The</strong> engineer must be able to compensate for studio limitations, the recording medium, and reproduction equipment.<br />
Salaries in this field can vary widely, depending especially on the size and success of the studio. Since engineering is one of the most<br />
popular career areas in recording, studios are extremely selective in hiring. To prepare yourself, enroll in a college that offers specific<br />
courses in sound engineering, learn to operate all technical machines, read the trade magazines, and visit recording studios. Try to<br />
get a studio job to learn more about the capabilities of the equipment.
MENC: <strong>The</strong> National Association for Music <strong>Education</strong><br />
Glossary<br />
Analog: <strong>In</strong> sound, the method of recording and transmitting sound that was used until a few years ago. It involves<br />
transforming the changes in sound intensity directly into changes in another medium (and back again). For example,<br />
a phonograph record contains grooves that vary in width and depth according to the sounds they represent, so a needle<br />
in a spinning record’s groove vibrates in a way that can, with amplification, give a recognizable musical sound. A<br />
magnetic analog tape (like a cassette) contains particles of material that are magnetized more or less strongly—like<br />
the record groove’s higher or lower depth—in a way that can be amplified, converted to vibrations in the air by a<br />
transducer, and heard as a musical sound.<br />
Cardioid: A type of microphone that exhibits a heart-shaped pattern of sensitivity. <strong>In</strong> a cardioid microphone, the<br />
area behind the microphone (the “notch” at the top of a heart shape) picks up very little sound; the sides and front<br />
are quite sensitive.<br />
Chorusing: A type of sound effects processing that makes a single voice sound or instrument sound like a chorus. It<br />
is done by making copies of the sound and combining them back with the original signal—but a little later.<br />
Digital: Refers to the recording of sound not as an analog trace (such as the peaks and valleys of a phonograph<br />
record) but as a series of binary digits (numbers in a counting system that use only 0 and 1). A digital recording of<br />
the loudness of a sound that starts piano and increases to forte, for example, look like a smooth line going up but<br />
would be recorded as a series of numbers, each larger than the one before.<br />
MASTER e<br />
Distortion: “Errors” introduced in the recording or transmission of sound. <strong>The</strong>y are usually unwanted errors that lead<br />
to a lack of clarity in the sound, and engineers have designed devices such as limiters to avoid distortion. Some styles<br />
of rock, however, intentionally use more or less controlled distortion for musical and dramatic effect.<br />
Equalizer: A device that can be used to alter the relative strength of various frequencies in a sound. <strong>In</strong> its simplest<br />
form, an equalizer can be the device controlled by the “tone” knob on a radio. More sophisticated equalizers are generally<br />
“graphic equalizers,” which have one control for the relative strength every one of several fixed frequency<br />
ranges, or “parametric equalizers,” in which both the strength of a range and the frequency of that range are subject<br />
to control.<br />
Headroom: <strong>The</strong> extent to which a recorder can accept strong signals. If the signal being recorded exceeds the headroom,<br />
overload distortion results.<br />
Layering: <strong>The</strong> process of combining several tracks to produce a complete recording. <strong>The</strong> musicians providing individual<br />
tracks can, with this technique, work on a recording “together”—but on separate days. It is best done with a<br />
recorder that offers many tracks (standard for professional studios is 24 tracks), but can be done with only two tracks<br />
by recording track a, mixing the recording from a with a new signal on to track b, mixing that combined recording<br />
with a new signal back onto track a, and so on.<br />
Limiting: <strong>The</strong> setting of a limit on the intensity of a signal. It is usually done so that the signal does not exceed the<br />
headroom of a recorder.<br />
Mixing: <strong>The</strong> process of combining the signals from different sound sources to achieve a well-balanced final sound. It<br />
can be done for a live performance that must be amplified or for a recording.
MASTER #1<br />
MIDI: An acronym for Musical <strong>In</strong>strument Digital <strong>In</strong>terface. It was developed as a way to allow electronic instruments<br />
to communicate with one another by means of a “code” of digital numbers representing aspects of a musical<br />
performance. A signal in MIDI “code” might say, for example, that a middle C is turned on with an intensity of<br />
100 (on a scale of 1 to 128), and then the pitch is “bent” up by 40 percent, and then turned off. MIDI has<br />
become especially useful with computer programs that store these signals in much the same way that a word processing<br />
program stores the letters typed on a computer keyboard.<br />
Noise: This can simply mean unwanted sound—such as noise that someone makes in the next room when you<br />
are trying to record a song. It has a technical meaning, too; sound that contains all frequencies (rather than the<br />
few overtones found in pitched sounds).<br />
Noise reduction: All transducers, recorders, or other devices used to store and reproduce sound introduce some<br />
noise. This is particularly a problem with analog tape recorders, so a variety of noise reduction techniques have<br />
been developed to minimize noise. A series of techniques labeled Dolby A, Dolby B, Dolby C, and Dolby S are<br />
used on many recorders, as is a technique known as DBX.<br />
Omnidirectional: A type of microphone that picks up sound equally from all directions.<br />
Panning: <strong>The</strong> process of distributing a signal between two stereo tracks in the mixing process. A single piano<br />
note, for example, could have 50 percent of its signal to the left and 50 percent to the right, making it sound as<br />
though the piano player was sitting in the middle of the sound field. By changing the panning to 10 percent left<br />
and 90 percent right, however, a studio engineer can make it sound like the piano player just picked up the piano<br />
and moved it to the right.<br />
Patch: An electrical circuit set up to route a signal, especially one set up by means of “patch cords.”<br />
Reverberation: <strong>The</strong> quality of echoes in a room. All rooms (except for specially-built anechoic chambers) have<br />
some reverberation; that of a small room with a lot of cloth furniture is relatively minimal; that of a large, stone<br />
cathedral is almost enough to overwhelm sounds produced in the room. Because of its importance in coloring the<br />
way we hear sounds, recording engineers will often add reverberation by means of electronic devices.<br />
Sampling: <strong>The</strong> process of taking a digital sample—a sort of audio snapshot—of a sound. <strong>The</strong> sample can be stored<br />
in a computer’s memory and played back (in its original form or altered) at will.<br />
Track: One “line” of information that goes into a recording. Often, a track is the recording of one instrument<br />
that will be combined with other instrument parts in layering the final mix.<br />
Transducer: A device that changes sound to or from another medium—such as electricity. A microphone is a<br />
transducer, for example, that changes sound waves to waves of variation in an electrical signal. A speaker does the<br />
reverse, changing electrical variations into the mechanical vibration of air that is sound. A speaker can even<br />
function as a microphone—and some microphones can function as speakers (but don’t try the experiment unless<br />
you know what you’re doing or don’t mind destroying your microphone).<br />
Transient: A part of a sound that changes quickly in loudness and often in frequency content—especially, the<br />
first 1/2 of a second or so of a sound’s “envelope.”