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A comprehensive dictionary of organ stops - Allen Organ Studio of ...

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114 DICTIONARY OF ORGAN STOPS.<br />

Ocarina—4 ft.<br />

An octave stop, named Ocarina, occurs on the Great <strong>organ</strong> at Brid-<br />

lington Priory Church (Anneessens, <strong>of</strong> Gramont, Belgium). Mr. George<br />

T. Patman, F.R.C.O., <strong>of</strong> Glasgow, and late <strong>organ</strong>ist <strong>of</strong> that Church, kindly<br />

informs the author that the stop is a metal one <strong>of</strong> true length, resembling<br />

in tone a Harmonic Flute. There is an Ocarina <strong>of</strong> similar pitch on the<br />

Positif <strong>of</strong> the <strong>organ</strong> at Seville Cathedral (Aquilino Amezua, 1903).<br />

Octave—-Manual 4 ft. ; pedal 8 ft. An octave Diapason.<br />

The name " Octave " is surely more rational in application than<br />

"Principal." The latter term is, indeed, employed in Germany to<br />

designate the principal <strong>stops</strong> <strong>of</strong> the <strong>organ</strong>, the Diapasons. The Octave, <strong>of</strong><br />

course, is <strong>of</strong> proportionately smaller scale, and voiced rather brighter than<br />

the unison Diapason. A distinction is now usually drawn between Octave<br />

and Principal, the former being loud and full-scaled, the latter more subdued<br />

and bright. The Octave is the connecting link between the foundation<br />

<strong>stops</strong> and the higher-pitched <strong>stops</strong> <strong>of</strong> the <strong>organ</strong>. It should therefore be<br />

designed and voiced with very great care. It is to the boldness <strong>of</strong> the<br />

Octave that much <strong>of</strong> the solidity and brilliancy <strong>of</strong> the work <strong>of</strong> the late Mr.<br />

Henry Willis is due. As a pedal stop the Octave is now usually an<br />

extension <strong>of</strong> the Major Bass.<br />

Octave Clarion— 2 ft. Obsolete.<br />

A reed <strong>of</strong> super-octave pitch is occasionally to be found in ancient<br />

<strong>organ</strong>s. One such exists on the Pedal <strong>organ</strong> at Cologne Cathedral.<br />

Octave Coupler-(It) Terzo Mano (= third ha«d).<br />

Sometimes "Octaves" (plural to distinguish it from the sounding<br />

stop, Octave).<br />

A Coupler controlling an arrangement whereby the octave keys to all<br />

those depressed on one manual or the pedal are brought into action.<br />

With pneumatic coupling the coupled keys do not fall as with mechanical.<br />

Octave Couplers add vastly to the resources <strong>of</strong> an <strong>organ</strong>, particularly if<br />

the instrument be designed with a view to their inclusion as part <strong>of</strong> the<br />

aggregate tonal scheme. In Italy the Octave Coupler dates from a very<br />

early period. For a description <strong>of</strong> Octave Couplers functioning from one<br />

manual to another, see Coupler.<br />

OCTAVE DIAPASON—See Octave.<br />

Octave Hautboy—Hautboy Clarion. 4 ft. See Hautboy.<br />

Octave Oboe— See above.<br />

OCTAVE QUINT— 2| ft. See Twelfth.<br />

Octavin—(Fr.) = Fifteenth. 2 ft<br />

O+Tenbass— (Ger.) = open Bass. See Major Bass.

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