Assertion: hip hop | /r/HasProperty | integral part of popular music
Facets:
value: by the end of the decade
type: TEMPORAL
Source sentences:
text: By the end of the decade, hip hop was an integral part of popular music, and many American pop songs had hip hop components.
text: By the end of the decade, hip hop was an integral part of popular music, and many American pop songs had hip hop components.