SLIPKNOT played its first headlining show since the death of bassist Paul Gray on June 21 at Columbiahalle in Berlin, Germany. As was the case with the band's appearances at the Sonisphere festivals in Greece and Turkey last weekend,
It's just been announced that the Big 4 - Metallica, Megadeth, Slayer and Anthrax will be headlining the first night of the U.K. Sonisphere on July 8, 2011.