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Being a dork who finds herself drawn to even bad movies about music, I'm intrigued by this movie "Cadillac Records", and by "Cadillac", they mean "Chess". It's fictionalized, so they changed the name from Chess Records. I can think of another movie that does this---"Grace of My Heart" borrowed heavily from Carol King's life and her move from being a behind-the-scenes songwriter to up on stage. It allows you to take liberties, though from the IMDB listing, it looks like they didn't change anyone's name from real life.