Geezer Butler joins Jack Black's Jack Sabbath for 'War Pigs' at Power to the People Festival

Black Sabbath bassist Geezer Butler joined Jack Black's tribute act Jack Sabbath to play 'War Pigs' at Tom Morello's Power to the People Festival on 3 October 2026, Rolling Stone reported. The performance at Merriweather Post Pavilion in Columbia, Maryland closed a three-song set that opened with 'Mr. Crowley' and 'The Wizard'.