Assertion: pop music's origin | /r/HasProperty | traced
Facets:
Source sentences:
text: Though the origins of gangsta rap can be traced back to the mid-1980s raps of Philadelphia's Schoolly D and the West Coast's Ice-T, the style is usually said to have begun in the Los Angeles and Oakland area, where Too Short, N.W.A and others found their fame.
text: Though the origins of gangsta rap can be traced back to the mid-1980s style of Philadelphia's Schoolly D and the West Coast's Ice-T, the style broadened and came to apply to many different regions in the country, to rappers from New York, such as Notorious B.I.G. and influential hip hop group Wu-Tang Clan, and to rappers on the West Coast, such as Too Short and N.W.A.