Black Sabbath
Composer: John Osbourne & Tony Iommi & Terence Butler & Bill Ward
Composer: Black Sabbath
Composer: Bill Ward & Black Sabbath & John Osbourne & Ozzy Osbourne & Terence Butler & Tony Iommi
Lyricist: A. Iommi & Butler & Iommi & J. Osbourne & Osborne & T. Butler & W. Ward & Ward