Decades after his murder, Tupac Shakur's influence looms large over rap. The thug-life anthems of Southern rappers like Lil Boosie, the soulful social conscience of Kendrick Lamar, and the provocatively profane rhymes of Lil Wayne and DMX all owe a debt to Pac's voluminous and complex catalog. And his distinctive cadences are reflected in the flows of stars like Master P.