Boozers were decked with purple balloons and flags; murals were everywhere you looked; people donned Ozzy outfits, flooding the streets with battered T-shirts and denim jackets. It felt like a World Cup final for the metal fans who flooded in from every corner of the planet .

The full lineup, which kicked off at 1 p.m. BST, featured an all-star cast of performers. Alongside Black Sabbath, the day also saw performances from Metallica, Slayer, Guns N' Roses, Tool, Pantera, Anthrax and more.

The metal luminary, 76, took the stage with his original bandmates at a farewell festival in his Birmingham, England, hometown on Saturday night.