Black Sabbath's third album, "Master of Reality" (on vinyl), along with their first and second albums, "Black Sabbath" and "Paranoid" (on CD), are the cornerstones of the heavy metal genre.

Black Sabbath’s Previous Success Inspired ‘Master of Reality’ For most bands, getting a hit record would inspire them to create a follow-up that captures that same commercially successful magic.

Osbourne was an accomplished solo musician, but his work with Black Sabbath helped define his career. The band's most recent ...