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

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

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

Watch Jack Black sing Ozzy Osbourne classic at Tom Morello's mum's

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

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

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

Jack Black and a bunch of kids performing Ozzy Osbourne's Mr

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

Yoyoka Soma （よよか）

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