This "War Pigs" cover 😍 In honor of T-Pain's birthday, we're throwing it back to when he reimagined Black Sabbath’s 1970 classic “War Pigs." The performance went viral and even earned praise from Ozzy Osbourne himself, who said, “This is the best cover of 'War Pigs’ ever. Why didn’t you guys call me?” T-Pain's album On Top of the Covers also includes tributes to other Rock Hall icons — Sam Cooke (“A Change Is Gonna Come”) and Journey (“Don’t Stop Believin’”) — showing just how deep rock & roll