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...