Known as the Drama King, DJ Kayslay (alternately DJ Kay Slay) rose to the top of his field by refereeing some of the most talked-about MC battles of the early 2000s, most notably Jay-Z versus Nas and 50 Cent versus Ja Rule, on his Streetsweeper mixtape series and later on his Hot 97 radio show, The Drama Hour. Born Keith Grayson, the gully loudmouth grew up with his grandparents in Harlem's East River Houses. He initially drifted toward good old-fashioned hip-hop culture, particularly DJ'ing and graffiti writing. As Dezzy Dez, his tag name at the time, Kayslay made a name for ...