Ronnie James Dio

Singer parted ways with godfathers of metal after 'Mob Rules' tour ended in 1982.

Film will air in theaters on Sept. 28 and Oct. 2.

Who needs fireworks when you have all these rockstar birthday candles to light up the night?

Sebastian Bach, Tenacious D and Guns N' Roses' Duff McKagan also join roster for fundraiser event marking late singer's birthday.

Veteran singer was “dreading” Iron Maiden duo’s contribution to 1986 Hear ’n Aid single.

Stepson of late keyboardist Geoff Nicholls reveals “Slapback” from cassette containing ‘Heaven and Hell’ sessions.

Guitarist delves deeply into a four-album collaboration that challenged and excited the band.

Black Sabbath guitarist recalls how close the band came to splitting in 1979.

Heaven and Hell's tour closer in Atlantic City would be the last time onstage.

Simon Wright admits first performance with projection was “a little strange.”