Iron Maiden and Metallica been announced as headliners for Sonisphere 2014 UK. Sonisphere UK will take place from 4th – 6th July 2014 at Knebworth.
Sonisphere 2011, the first and only touring European metal festival returns in the following locations :
Sonisphere U.K. Knebworth on July 8-10, 2011
Metallica, Slayer, Megadeth and Anthrax will headline the Friday night at Knebworth.