Black Sabbath

Ozzy Osbourne and Geezer Butler initially refused to try out Tony Iommi’s "filler" idea.

The legendary singer will be remembered for his years fronting Black Sabbath, a successful solo career and his stint as a reality TV star.

"Oh, my God, what’s going on here?" the bassist recalls thinking.

Ozzy Osbourne drew pentagrams on the walls while Bill Ward helped wash dishes in residential manor that’s hosted Jimmy Page, Oasis and others.

Back then, Jim Simpson said the future metal icon was "never very confident in what he could do."

Bassist reveals how Don Arden originally tried to rip off Black Sabbath.

Bassist is leaving the door open but cautions that a tour is out of the question.

Festival's lineup could have featured one more legendary act.

Geezer Butler also discusses unreleased music and time spent with Eddie Van Halen and Jack Bruce.

Geezer Butler recalls "soap opera" of Black Sabbath's farewell years.