What are facts about the accordion?

Accordions are members of the wind instrument family and consist of three major components such as the treble mechanism, bass mechanism and bellows. The right hand side consists of keys or buttons while the bass section varies depending on whether its a button or piano Accordion. Piano accordions have a StraDELLa bass mechanism for the right hand side and this is standard for all piano accordions. Button accordions, such as chromatic accordions have a free bass mechanism, and are widely played in French musette. Diatonic accordions can have an eight or twelve bass layout and play different notes depending on the bellows direction. The piano accordion was invented when Bouton of Paris first applied piano keys to the accordion.