The first accordion to feature a piano keyboard was probably the instrument introduced in 1852 by Bouton of Paris. Arrangements for accordion band may include parts for bass accordion. The bass piano accordion is a variation of a piano accordion without bass buttons, with the piano keyboard sounding an octave lower than the usual low-pitched "bassoon" stop. These go vertically down the side, pointing inward, toward the bellows, making them accessible to only one hand while handling the accordion. In comparison with a piano keyboard, the keys are more rounded, smaller, and lighter to the touch. It may be equipped with any of the available systems for the left-hand manual. 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 -has remained the popular name. There are piano accordions with up to 49 Keys from written D3 to D7 (D2 to D8 sounding range) & the Top D8 is a step above High C on Piano, some have a 32 ft stop on the Treble to extend the range down to a sounding D1.Īccordion, Chromatic button accordion, Bayan, Diatonic button accordion, Piano accordion, Stradella bass system, Free-bass system, Accordion reed ranks & switchesĪ piano accordion is an accordion equipped with a right-hand keyboard similar to a piano or organ. Actual range sounds one octave lower and one octave higher (F2-A7) depending on stops chosen. F3 to A6 ( scientific pitch notation) is the written range for the right-hand manual of a standard 120-bass/41-key piano accordion, three octaves plus a major third.
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