Medicine Ball Caravan (1971)
Documentary of a 154-person bus and truck tour that set out to spread the gospel of flower power to the hinterlands of the U.S.
Directed by: François Reichenbach
Starring: B.B. King, Alice Cooper, Tim Barnes, John Blakeley, Bonnie Bramlett, Tom Donahue
Links: IMDb, Movie posters, Movie stills