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

Jack Black and Pre-Teen Band Channel ‘School of Rock’ With Kick Ass Ozzy Osbourne Cover

Jack Black Recalls Being Nervous About Shooting 'School of Rock,' Co-Star Says He Apologized for Swearing in Front of Young Cast

Jack Black Apologized to ‘School of Rock’ Kid’s Mom for Cursing on Set; Richard Linklater Originally Turned Script Down: ‘It Was Cheesy’ and ‘Formulaic’