Iron Maiden and Metallica been announced as headliners for Sonisphere 2014 UK. Sonisphere UK will take place from 4th – 6th July 2014 at Knebworth.
Metallica and Slayer have been confirmed for Sonisphere Finland 2014. The festival will take place in Helsinki at Hietaniemen uimaranta on 28th May, 2014. Other confirmed bands are: Mastodon (USA), Ghost (SWE), Gojira (FRA)