Black Sabbath creates history with the release of their new album `` 13 '' Record is their first No . one album in UK , first U.S. chart topper in 43 years . Singer Osbourne says `` this was our last chance '' to return to their roots . Ozzy Osbourne says he 's uncomfortable with legacy as godfather of heavy metal .
Black Sabbath creates history with the release of their new album `` 13 '' Record is their first No . 1 album in U.S. , first UK chart topper in 43 years . Singer Ozzy Osbourne says `` this was our last chance '' to return to their roots . Osbourne says he 's uncomfortable with legacy as godfather of heavy metal .