Beyoncé Knowles could have nabbed an Oscar nomination as Best Supporting Actress. That's how good she is playing it all sexy, sassy and druggy as Etta James, the R&B singer who found the soul in songs like "At Last." Too bad for Knowles that she's only part of Darnell Martin's rushed mess of a movie that jams the story of Chicago-based Chess Records into one incoherent package. Adrien Brody plays Leonard Chess, who started the company in the 1950s with his brother Phil (we hardly see him) to…

Cadillac Records simply rocks. This movie seems to have it all -- a musical dream machine with some of the best acting and singing you will see this year.

Story

Chronicling the rise of blues label Cadillac Records, this rollicking musical charts the emergence of the blues musicians as popular hit makers and leads up to the birth of rock and roll. Focusing on several well-known early blues and rock legends, Cadillac Records mixes issues of race, infidelity, payola, violence and other things --…