In a tale as old as time, the best-selling Black Sabbath album is not the one that Ozzy Osbourne sees as the band's artistic peak despite it's sales numbers.

Black Sabbath bassist Geezer Butler is having trouble sleeping ahead of the metal band’s final show at Villa Park in ...

Both bands pioneered heavy metal in the 1970s. And Halford has sung with Black Sabbath in the past (subbing in f ...