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Sparkle (1976)

A film about how fame changes people's lives. When a trio from Harlem makes it in the music biz one of them succeeds, one of them finds love, and one of them falls into drugs. "Supremes" like music was written by funk legend Curtis Mayfield, the front man for the band "The Impressions" and the artist behind the incredible Superfly film soundtracks. (Written by Joel Schumacher)