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 te
Accordions are a family of box-shaped musical instruments of the bellows-driven free reed aerophone type. The essential characteristic of the accordion is to combine in one instrument a melody section
Piano accordion
…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…
A piano accordion (top) and a chromatic button accordion (bottom)
Eight-key bisonoric diatonic accordion (c. 1830)
An accordionist
A group of accordionists in Ticino (early 20th century)