Assertion: accordion | /r/ObjectUse | used in the united states
Facets:
value: by musicians
type: OTHER
value: popularly
type: DEGREE
Source sentences:
text: In the United States, the piano accordion is popularly used in folk music, though it is now increasingly being used in contemporary pop music, as well.
text: By the 1970s, the piano accordion had taken rank over the traditional accordion and was used by musicians in many places, including the United States, Scandinavia, Scotland, Italy, France and Australia.