Assertion: zither's popularity | /r/CapableOf | wane by the 1920s
Facets:
Source sentences:
text: By the 1920s, this popularity had begun to wane, as other string instruments (notably guitars) increased in popularity along with the new fashion for jazz music.
text: By the 1920s, this popularity had begun to wane, as other string instruments (notably guitars) increased in popularity along with the new fashion for jazz music.