Black Sabbath has been so influential in the development of heavy metal rock music as to be a defining force in the style. The group took the blues-rock sound of late '60s acts like Cream, Blue Cheer, and Vanilla Fudge to its logical conclusion, slowing the tempo, accentuating the bass, and emphasizing screaming guitar solos and howled vocals full of lyrics expressing mental anguish and macabre ...more
- Black Sabbath
- Rules of Hell
- Producer
- Glenn Hughes
- This Time Around
- Guest Appearance
- Black Sabbath
- Greatest Hits 1970-1978
- Compilation Producer
- Black Sabbath
- Greatest Hits 1970-1978
- Producer















































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