Assertion: accordion | /r/CapableOf | decline in popularity
Facets:
Source sentences:
text: In the late 1950s and early 1960s, the accordion declined in popularity due to the rise of rock and roll.
text: However, with the advent of rock 'n roll and the generation gap in the late 1950s and early 1960s, the accordion declined in popularity, as the younger generation considered it "square"— epitomizing the light-hearted music of their parents and grandparents.