Etta James CRUSHES it in Chuck Berry Film Rehearsal - Johnny B. Bad (The Book) 

Watch Etta James just CRUSH it in the last band rehearsal before the big show in this clip from the behind-the-scenes of the feature film "Hail! Hail! Rock 'N' Roll.". But before that, director Taylor Hackford tells the fascinating background story of how Etta came on board the movie.
Keith Richards, Robert Cray, Steve Jordan, Johnnie Johnson and Joey Spampinato back her up.
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