Born in the 1970s, hip-hop music was built largely on the beat breaks in disco songs. Some of the earliest hits in the genre sampled those dancey tracks, including “Rapper’s Delight” by the Sugarhill ...

Before hip-hop topped charts, it was raw, political, and underground. From New York basements to 2Pac’s rage, here’s how “street music” broke through. From the underground of New York to Philadelphia, ...