While the Ozzy Osbourne and Black Sabbath farewell show mostly went off without a hitch, Disturbed's David Draiman wasn't a fan of his reception.

Disturbed’s David Draiman has responded to boos during his July 5 performance at Black Sabbath’s farewell concert. Draiman joined an all-star lineup to perform Sabbath’s ‘Sweet Leaf’ and Ozzy Osbourne’s ‘Shot In The Dark.

David Draiman, the voice behind global metal hits, was booed during Black Sabbath's farewell gig in Birmingham. The backlash was not about the music; it was political.