Ozzy Praises Producer Rick Rubin Black As Sabbath Celebrates Release of New Album, 13.Ozzy Praises Producer Rick Rubin Black As Sabbath Celebrates Release of New Album, 13.More than 34 years after Black Sabbath last released a full-length studio effort with singer Ozzy Osbourne, the band is back with a brand-new album, 13.Michael AaronMichael Aaron