Assertion: hip hop | /r/HasProperty | a slang term
Facets:
value: by the late 1960s
type: TEMPORAL
Source sentences:
text: By the late 1960s, when Hubert G. Brown changed his name to H. Rap Brown, rap was a slang term referring to an oration or speech, such as was common among the "hip" crowd in the protest movements, but it did not come to be associated with a musical style for another decade.[citation needed]