Other highlights of his work in the last decade include directing a documentary on the American prison gang The Aryan Brotherhood; acting as series producer of the BBC Music series "Soul Britannia" examining the history and influence of soul music in Britain; writing and directing "Marvin Gaye: What's Going On?", a biography for the PBS series "American Masters" and BBC; and "The Real Phil Spector", a one-hour biography of the reclusive music producer recently found guilty of murder, for Channel 4.