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U.S. pianist Hannah Reimann has promoted piano keyboards with narrower octave spans and has a U.S. patent on the apparatus and methods for modifying existing pianos to provide interchangeable keyboards of different sizes. [5] Narrower keyboards are available from Steinway & Sons USA in new grand pianos or as a retrofit to existing pianos. [6]
They were introduced by Robert Bosanquet in the 1870s, and since the 1960s Erv Wilson has developed new methods of using and expanding them, proposing keyboard layouts (and some notations) including any scale made of a single generator within an "octave" (or more generally, period) of any size. The generalized keyboard is one kind of ...
A Jankó keyboard. The Jankó keyboard is a musical keyboard layout for a piano designed by Paul von Jankó, a Hungarian pianist and engineer, in 1882.It was designed to overcome two limitations on the traditional piano keyboard: the large-scale geometry of the keys (stretching beyond a ninth, or even an octave, can be difficult or impossible for pianists with small hands), and the fact that ...
Sheet music enables instrumental performers who are able to read music notation (a pianist, orchestral instrument players, a jazz band, etc.) or singers to perform a song or piece. Music students use sheet music to learn about different styles and genres of music. The intended purpose of an edition of sheet music affects its design and layout.
A typical, full-size organ manual consists of five octaves, or 61 keys. Piano keyboards, by contrast, normally have 88 keys; some electric pianos and digital pianos have fewer keys, such as 61 or 73 keys. Some smaller electronic organs may have manuals of four octaves or less (25, 49, 44, or even 37 keys).
Over time, square pianos were built in larger sizes with more keys and a wider range; by the 1830s, square grand pianos predominated, with changes to their internal mechanisms and construction that produced larger sounds and used higher string tensions. Square pianos were the most popular keyboard instrument of the late 18th century, and the ...
Steinbuhler & Company [18] produce keyboards that are 7/8 and 15/16 normal size. The keyboards were designed to make it possible for players with smaller hands to play a larger range of music. The company sells keyboard inserts for Grand pianos and complete upright pianos with smaller (7/8) keyboards.
An isomorphic keyboard is a musical input device consisting of a two-dimensional grid of note-controlling elements (such as buttons or keys) on which any given sequence and/or combination of musical intervals has the "same shape" on the keyboard wherever it occurs – within a key, across keys, across octaves, and across tunings.
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