Updated: Oct 18, 2018
An accordion is a musical instrument that has similar keys to a piano, but is small enough for a person to hold. It makes sounds using air pushed and pulled through reeds using a bellows. The accordion can also have buttons instead of keys.
The accordion is one of several European inventions made in the 19th century that use free reeds driven by a bellows. An instrument called accordion was first patented in 1829 by Cyirall Demian, of Armenian origin, in Vienna. There are three main styles of accordions; diatonic, chromatic and keyboard.