James Anderson better known as J-Flexx is a former artist/producer of Death Row Records.
J-Flexx spent several years ghostwriting lyrics for Dr. Dre during his tenure at Death Row Records. The first song he co-wrote in that collaboration, "Natural Born Killaz," became a Top 40 hit for Dre and Ice Cube in 1994 (Murder was the case Soundtrack). J-Flexx's success continued when he wrote lyrics for Dre's part in "California Love," a duet with Tupac Shakur. J-Flexx also co-wrote "Keep Their Heads Ringin," the first single from Ice Cube's Friday (soundtrack) (which ultimately sold over 2 million units). He followed that success with "Been There, Done That," a single released from Dr. Dre Presents the Aftermath. J. Flexx released a parody of the song Been There Done That titled Who Been There Who Done That for the Death Row Greatest Hits compilation. J. Flexx made two other appearances on the Gridlock'd soundtrack with the song Lady Heroin and on the Gang Related soundtrack with the song A Change To Come, he also produced the songs Top Dogg Cindafella, Curiously and Things Your Man Won't Do for the Suge Knight Presents: The Chronic 2000 compilation