1/23/2024 0 Comments Organ keys layoutOn pipe organs each manual plays a specific subset of the organ's stops, and electric organs (e.g., Hammond organ) can emulate this style of play. This arrangement encourages the organist to play the melody line on the upper manual while playing the harmony line, chords or bassline on the lower manual. On smaller electronic organs and synthesizers, the manuals may span fewer octaves, and they may also be offset, with the lower one an octave to the left of the upper one. Mary Redcliffe church in Bristol, England, with four manuals. Changes in registration through use of drawknobs, stop tabs, or other mechanisms to control organ stops allow such instruments to achieve an aggregate range well in excess of pianos and other keyboard instruments even with manuals of shorter pitch range and smaller size. Some smaller electronic organs may have manuals of four octaves or less (25, 49, 44, or even 37 keys). Piano keyboards, by contrast, normally have 88 keys some electric pianos and digital pianos have fewer keys, such as 61 or 73 keys. A typical, full-size organ manual consists of five octaves, or 61 keys. The layout of a manual is roughly the same as a piano keyboard, with long, usually ivory or light-colored keys for the natural notes of the Western musical scale, and shorter, usually ebony or dark-colored keys for the five sharps and flats. The manuals are set into the organ console (or "keydesk"). Elaborate pipe organs and theater organs can have four or more manuals. Organs and synthesizers can, and usually do, have more than one manual most home instruments have two manuals, while most larger organs have two or three. Music written to be played only on the manuals (instead of using the pedals) can be designated by manualiter (first attested in 1511, but particularly common in the 17th and 18th centuries). It is proper to use "manual" rather than "keyboard", then, when referring to the hand keyboards on any instrument that has a pedalboard. The term "manual" is used with regard to any hand keyboard on these instruments to distinguish it from the pedalboard, which is a keyboard that the organist plays with their feet. The two lower manuals are each five octaves in range, while the uppermost manual spans two octaves.Ī manual is a musical keyboard designed to be played with the hands, on an instrument such as a pipe organ, harpsichord, clavichord, electronic organ, melodica, or synthesizer. The console of the Great Organ at the Church of St Sulpice built by Aristide Cavaillé-Coll in 1862. Please help improve this article by introducing citations to additional sources. Relevant discussion may be found on the talk page. This article relies largely or entirely on a single source.
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