Jack Black rocked his 'Mr. Crowley' cover for Ozzy Osbourne's farewell, but he had the help of the talented sons of two music ...

One million fans tune into livestream of Ozzy Osbourne tribute concert - All-day event has seen a number of metal acts, ...

Jack Black Brings Fans to Tears With ‘Marvelous' Tribute to Late Guitar Legend originally appeared on Parade.