And especially, yeah, dissonance on the accordion, playing notes very close together, can bring out those overtones. And there's a whole range of effects you can get. GROSS: ...

How do you tune the accordion? To tune the classical accordion, Ksenija says, “you need at least a week”. “It all comes apart and there are a lot of screws. Each note is tuned by scratching a little ...

Accordion Kings & Queens, now in its 34th year, returns to Houston this weekend. ... Watson notes, that Creole and Spanish cattlemen once traded tunes around 19th-century campfires.