Real Name: James Clark If Dr. Dre represents the mainstream Los Angeles hip-hop scene better than any other producer, then Fat Jack best represents the L.A. underground. A mainstay on the South Central circuit since the Goodlife days of the early ‘90s, Fat Jack possesses the uncanny ability to match the feel of his beats with the sensibilities of each of the many emcee that he collaborates with. His early work with Volume 10 and Ganjah K highlighted a fine taste in samples