produced & directed by Morgan Neville and Robert Gordon ; Tremolo Productions in association with Wellspring Productions, American Masters and Channel Four Television
Tristar ; Head Hunters, Inc. ; Sony Music Film and Parkwood Pictures present ; a Sony Music Film production ; a film by Darnell Martin ; executive producers, Marc Levin, Beyoncé Knowles ; executive music producer, Marshall Chess ; produced by Andrew Lack, Sofia Sondervan ; written & directed by Darnell Martin