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 sings Ozzy Osbourne's 'Mr. Crowley' at Tom Morello's mum's 100th birthday party

Jack Black and young band cover Mr. Crowley for Mary Morello's 100th birthday

Jack Black, Teen Band Ripped Ozzy Osbourne's 'Mr. Crowley' For Tom Morello's Mom's 100th Birthday

Jack Black sings Ozzy Osbourne's 'Mr. Crowley' at Tom Morello's mum's 100th birthday party

Ozzfest (Video 1997) - News - IMDb

Ozzy Osbourne Moved by St. Louis Women's Choir Singing 'Changes

Jack Black and Kids Cover Ozzy Osbourne for Tom Morello of Rage Against the Machine's Mom's 100th

Jack Black and Kids Cover Ozzy Osbourne for Tom Morello of Rage Against the Machine's Mom's 100th

Ever Wanted to See Jack Black Sing Taylor Swift in His Underwear? Sure, You Have. Don't Lie

Ozzy Osbourne - July 1986 Faces Rocks Magazine #tbt Cover

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

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

Watch Norah Jones Cover Neil Young On Corden

Ozzy Osbourne x mastermind JAPAN Collection