Assertion: hip hop | /r/HasProperty | popular
Facets:
value: since the 1970s
type: TEMPORAL
Source sentences:
text: Remember back when hip hop was popular and you never had to look up lyrics because they always used real words?
text: Rap music has been popular since the 1970s, and successful rap artists and scenes flourish in many countries of the world.
text: Rap, Rock, and Censorship: Popular Culture and the Technologies of Justice..