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A piano accordion is an accordion equipped with a right-hand keyboard similar to a piano or organ.Its acoustic mechanism is more that of an organ than a piano, as they are both aerophones, but the term "piano accordion"—coined by Guido Deiro in 1910 [1] —has remained the popular name.
Chromatic button accordion; Classification: Free-reed aerophone: Playing range; Right-hand manual: The Russian bayan and chromatic button accordions have a much greater right-hand range in scientific pitch notation than an accordion with a piano keyboard: five octaves plus a minor third (written range = E2-G7, actual range = E1-D9, some have a 32 ft Register on the Treble to go even lower down ...
Piano accordions use a musical keyboard similar to a piano, at right angles to the cabinet, the tops of the keys inward toward the bellows. The rarely used bass accordion has only a right-hand keyboard, with ranks of 8', 16', and 32' reeds, with the lowest note being the deepest pitch on a pipe organ pedal keyboard (pedal C).
A digital accordion is an electronic musical instrument that uses the control features of a traditional accordion (bellows, bass buttons for the left hand, and a small piano-style keyboard (or buttons) for the right hand, and register switches) to trigger a digital sound module that produces synthesized or digitally sampled accordion sounds or ...
A piano-like layout exists that mirrors the right-hand keyboard of a piano accordion, with round buttons laid out like piano keys. This system is popular in Asian piano accordions, especially in Azeri garmon. A hybrid Chromatic/Stradella system known as the Moschino free-bass system is available.
The most common of these are the piano, organ, and various electronic keyboards, including synthesizers and digital pianos. Other keyboard instruments include celestas, which are struck idiophones operated by a keyboard, and carillons, which are usually housed in bell towers or belfries of churches or municipal buildings. [1]
There are some rare variations of keyboards with more or fewer than 12 keys per octave, mostly used in microtonal music, after the discoveries and theoretical developments of musician and inventor Julián Carrillo (1875–1965). Some free-reed instrument keyboards such as accordions and Indian harmoniums include microtones.
The oriental bayan (восточная выборная гармоника) was invented in 1936 in the Kazan musical factory, it has a right-hand piano keyboard but a little smaller, so in fact it imitates a piano accordion. In 1961 the Kazan revised it so that the left keyboard mirrored the right, though the left buttons are not rectangular ...