concertina

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concertina

Concerts (Concertina) - a instrument from the group of brass keyboards, a kind of harmony with a button keyboard for both hands. There are two versions of this instrument: English, on both sides of a single voice, invented by Charles Wheatstone in 1829 and German, constructed in 1834 by Carl Friedrich Uhlig, which greatly expanded the number of votes.

Concerts have become a prototype bandoneon, which externally differs in hexagonal shape (bandoneon has a quadrilateral).

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