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.

Watch Jack Black and a Pre-Teen Band Crush a Cover of Ozzy Osbourne's Mr. Crowley

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Ozzy Osbourne x mastermind JAPAN Collection

OZZY OSBOURNE - Mr. Crowley (Cover) with Jack Black, Roman Morello and friends

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Jack Black (@jackblack) • Instagram photos and videos

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