Assertion: electric organ | /r/ObjectUse | used in rock
Facets:
value: during 1970s
type: TEMPORAL
value: widely
type: DEGREE
value: during the 1960s
type: TEMPORAL
Source sentences:
text: It was widely used in rock and popular music during the 1960s and 1970s by bands like The Doors, Pink Floyd, Procol Harum, Santana and Deep Purple.