Sonisphere is set to return to Knebworth Park, and will celebrate 40 years of festivals at the venue.

The Festival is a touring Rock, Metal, Electro, and Punk music festival which takes place across Europe between June and August. The UK leg of the tour takes place at Knebworth House.

The festival features four stages, the main two being staggered staging, ensuring you dont miss a thing, the third and fourth stages are undercover stages and are able to continue past the sound curfews placed upon the main stages.

Artists booked to appear include: Metallica, Iron Maiden, The Prodigy, Deftones, Alice In Chains, Limp Bizkit, Frank Turner & The Sleeping Souls, Mastodon, Airbourne, Devin Townsend Project, Gojira, Band of Skulls, Gary Numan, Anti-Flag, The Defiled, Anthrax and Ghost