Tuesday, April 13, 2010


Wind instrument in bellows form, with a piano keyboard on the right side and free-beating reeds in the headboards. The free-reed principle was derived from the Chinese mouth organ (sheng), and was applied to the accordion when it was first built in 1822. The range of concert accordions is three octaves, with all the semitones. On the left side there are up to 140 bass buttons. While used mainly to play folk music, the accordion is also a jazz instrument.

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