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.

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

Jack Black (@jackblack) • Instagram photos and videos, jack black

Jack Black (@jackblack) • Instagram photos and videos, jack black

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

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Jack Black (@jackblack) • Instagram photos and videos, jack black

This video of Ozzy Osbourne's granddaughter is too cute for words

Ozzy Osbourne

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