Butler’s bass playing is not merely supportive; it is melodic and often mimics Iommi’s riffs in unison, creating a wall of low-end dread. Bill Ward, a former jazz drummer, brought a crucial swing and dynamic sensitivity. He could play with thunderous power on “The Wizard” and “N.I.B.,” but also with a haunted, rolling restraint on the title track, where his cymbal crashes sound like tolling bells.
Today, it is regarded as a masterpiece. It holds a spot in Robert Dimery’s 1001 Albums You Must Hear Before You Die and is ranked by Rolling Stone as one of the greatest metal albums of all time. Sound and Atmosphere black sabbath black sabbath full album