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

It seems Jack Black will never shake his role of Dewey Finn in School Of Rock – the actor and musician has just been captured jamming with a band of young teens at a birthday party for Tom Morello’s mother.

Watch Jack Black and a Pre-Teen Band Crush a Cover of Ozzy

Jack Black sings Ozzy Osbourne's 'Mr. Crowley' at Tom Morello's

Jack Black + Kids Cover Ozzy at Morello's Mom's 100th Birthday

Jack Black + Kids Cover Ozzy at Morello's Mom's 100th Birthday

Tom Morello Visits a Harlem School, All Of It

Jack Black and a Kid Band Rock Mary Morello's Birthday - American

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

Jack Black + Kids Cover Ozzy at Morello's Mom's 100th Birthday

Jack Black and the School of Rock Break Out an Ozzy Osbourne

Jack Black and a pre-teen band cover Ozzy Osbourne