Black Sabbath are a British progressive heavy metal band, originally comprised of John "Ozzy" Osbourne (vocals), Tony Iommi (guitar), Terence "Geezer" Butler (bass), and Bill Ward (drums). They are without question the most influential heavy metal band in history. They are also cited by many as the very first heavy metal band.
Black Sabbath formed in Birmingham, England in the late 1960s under the name Polka Tulk Blues Band (soon shortened to "Polka Tulk"), and later Earth. Initially a blues-rock band, Earth moved in a darker direction when Geezer Butler, a fan of the black magic novels of Dennis Wheatley, wrote an occult-themed song titled "Black Sabbath" (the song name was apparently inspired by a 1963 Boris Karloff film). When the band found themselves being confused with another local band called Earth, they adopted the song title as their new name....
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