Per Setlist.fm, Black Sabbath have only played two songs in concert more than “War Pigs” — “Paranoid” and “Iron Man.” This is all to say, despite its Vietnam-era anti-war angle, Sabbath’s war machine kept turning through their various eras — and generations of headbangers have worshipped them for it.

Black Sabbath fans have been left frustrated after scrambling for tickets to Ozzy Osbourne's farewell gig at Villa Park. Ozzy will reunite with the original Black Sabbath line-up – Tony Iommi, Geezer Butler and Bill Ward – for the first time in 20 years at the 'Back To The Beginning' show this summer.