Ozzy Osbourne passed away in July, just a few weeks after his final show with Black Sabbath. Now, fellow metalheads Judas Priest have released "War Pigs - Charity Version" featuring Ozzy Osbourne. Fans Are Loving This Ozzy Osbourne, Judas Priest CollaborationMetalheads are loving this song. When Judas Priest suggested turning the tribute into a full-blown charity single, the idea struck a chord with Sharon and Ozzy Osbourne." Judas Priest vocalist Rob Halford and Osbourne both sing on the track, too, and the result is spectacular.