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 Osbourne's Baby Daughter Maple Recognizes 'Papa' Ozzy

TENACIOUS D Interviews OZZY OSBOURNE – “On No Rest For The Wicked

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

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

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

Jack Black on his early struggles with cocaine use, jack black

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

Watch Jack Black Serenade Young Fan With a 'School of Rock' Song

Jack Black on his early struggles with cocaine use, jack black