Every hip-hop head knows that rap beefs and disses have played an important role in rap culture. The historic beef between Tupac (and Biggie was a reflection of the rivalry between the East Coast and the West Coast, and it tragically ended with the death of both rappers. Other rap beefs like NWA vs Ice Cube, Nas vs Jay-Z , Eminem vs Benzino have produced some of the best tracks in rap history.