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accordion

musical instrument
Also known as: Akkordeon, Handäoline, Handharmonika, Ziehharmonika, accordéon, armonica a manticino(Show More)

accordion, free-reed portable musical instrument, consisting of a treble casing with external piano-style keys or buttons and a bass casing (usually with buttons) attached to opposite sides of a hand-operated bellows. The advent of the accordion is the subject of debate among researchers. Many credit C. Friedrich L. Buschmann, whose Handäoline was patented in Berlin in 1822, as the inventor of the accordion, while others give the distinction to Cyril Demian of Vienna, who patented...