Plot: Guests include: James Earl Jones, Curtis Mayfield, Eddie Floyd, Patti LaBelle, Muhammad Ali, LeRoi Jones (Amiri Baraka), Pharoah Sanders, Candi Staton, Kool and the Gang, The Emotions, Ruby Dee, Ossie Davis, Marion Williams, The Delfonics, Len Chandler, The Manhattans, Kim Weston, Bobby Hebb, Cissy Houston, Herbie Hancock, Nikki Giovanni, and others.