Ozzy Osbourne T-Pain 's version of "War Pigs" .
Madman used his X , formerly Twitter, to send a message to the musician, writing, “This is the best cover of 'War Pigs' of all time. Why didn't you call me?”
T-Pain, who did a great job on the song, thanked Osbourne: “The first thing I said was 'wow'. This is an honor and the greatest form of validation. Thank you, brother.”
READ ALSO: Ozzy Osbourne talks about his recovery and describes it as slow.

