They are the band that created metal music .
and they have defined it for more than four decades.
Black Sabbath's career spans eleven different line-ups and nineteen studio albums in addition to the twenty-eight solo albums of the original four members.
The band began in 1968 as a blues rock band on the cover circuit of Birmingham, England.
Clawing their way up from the postwar bombed-out suburbs of Birmingham, the four members - guitarist and main songwriter Tony Iommi, bassist and.