Isaac Hayes is a multi-faceted talent: songwriter, producer, sideman, solo artist, film scorer, actor, rapper and deejay. He has been hugely influential on the rap movement as both a spoken-word pioneer and larger-than-life persona who's influenced everyone from Barry White to Puff Daddy. Hayes is best known for his soundtrack to Shaft, one of the first and best "blaxploitation" films, and for the song "Theme from 'Shaft,'" a Top Ten hit. But his varied resume boasts everything from backing up Otis Redding and writing for Sam ...