Let's Do It Again -

Directed by Sidney Poitier, the 1975 action-comedy Let's Do It Again starring Poitier and Bill Cosby follows two friends in New Orleans who fix a boxing match for charity, featuring a successful #1 hit title song produced by Curtis Mayfield. The film is celebrated for its soundtrack and is known as part of a successful trilogy with A Piece of the Action . You can find more information about the film at Wikipedia and find the soundtrack at Funk My Soul .