NEWS: The Big Four announced as headline for UK Sonisphere 2011!

For their first time ever in the UK, The Big Four (Metallica, Slayer, Megadeth, Anthrax) are to headline Sonisphere Festival 2011 at Knebworth. The four bands will share a headlining slot on the Friday of the festival weekend, with Biffy Clyro and Slipknot to follow the two days afterwards.

Tickets for the festival are now on sale. It takes place on July 8th – July 10th at Knebworth House. For tickets and more information, please go to