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.

Jack Black helped celebrate the 100 birthday of Tom Morello's

Jack Black, Teen Band Play Ozzy Osbourne Classic for Tom Morello's

Jack Black and Some Teens Slayed Mr. Crowley for Tom Morello's

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

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

Jack Black Leads a Real-Life 'School of Rock' to Celebrate Tom

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 Leads a Real-Life 'School of Rock' to Celebrate Tom

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 - News - IMDb

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

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