Jack Black teamed with the sons of Tom Morello and Scott Ian to cover Ozzy Osbourne's "Mr. Crowley" in a pre-taped video ...

Yesterday, the metal world sent a fond farewell to its Prince of Darkness, Ozzy Osbourne. Retiring after 50 years on the job, ...

Jack Black has lovingly recreated Mr. Crowley video along with special guests to mark Ozzy's epic Back to the Beginning ...