Jack Black and a Band of Pre-Teens Perform Ozzy Osbourne Cover: Watch

Tom Morello shared a video of Jack Black performing a cover of Ozzy Osbourne's 'Mr. Crowley,' backed by a band of pre-teens.

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Exclaim! Canada's Authority on Music, Film and Entertainment

Jack Black & A Band Of Pre-Teens Cover Ozzy Osbourne At Tom

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Jack Black Performs Ozzy Song for Tom Morello's 100-Year-Old Mom

Jack Black says he's embarrassed to have Twitter's blue tick, jack black

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