Exemplified most by 50 Cent and his G-Unit entourage, the New York mixtape circuit has been an important breeding ground for developing rap artists. The Harlem-based Purple City crew, known for their collaborations with the Diplomats, released several underground mixtapes in the early 2000s, selling over 80,000 units without the support of any distribution label. Although they are more a set of artists based around the company Purple City Entertainment (also called Purple City Productions) than an actual rap group, the core members are Shiest Bub, Un Kasa, and longtime undergr...