Call it Sabbath Mark II. Or the return of the Godfather(s).

Although heavy-metal fan boards have been buzzing for months about the Heaven and Hell tour featuring current and former Black Sabbath members, don?t think it?s all about the metal. Far from it. Musicians across genres are waxing poetic about the tour featuring some of the musicians who invented arena rock and gave birth to a new sound in the 1970s. Consider tonight?s show to be Music 101 in guitar mastery and vocal stylings.