 's album "King", for the Atlanta-based rapper's "AOL Sessions".After appearing on several of Grand Hustle'resident disc jockey, DJ Drama's "Gangsta Grillz" mixtapes, Washington later released his Grand Hustle/Atlantic debut, titled "Son of Pain", in September 2006.The album's production was handled by Just Blaze, Scott Storch, Wyclef Jean and Raphael Saadiq, among others.