Hertfordshire's Knebworth House offers a weekend of Rock, Metal, Electro, and Punk with three days of noise for 60,000 and is confirmed as happening from Friday 8th until Sunday 11th July 2011.
The Big 4 - Metallica, Slayer, Megadeth & Anthrax headline Friday night, Biffy Clyro Saturday and Slipknot Sunday. Other acts confirmed are Limp Bizkit, The Sisters of Mercy, Bill Bailey, Bad Religion, Cavalera Conspiracy, Sylosis, Richard Cheese, The Answer, Cancer Bats, Paradise Lost, You Me At Six, Sum 41, House of Pain, All Time Low, Fozzy, The Mars Volta, Opeth, Killing Joke, F Kids in Glass Houses, Gallows, Diamond Head, Motorhead, Mastodon, In Flames, Parkway Drive, Volbeat, Gojira, InMe, Protest The Hero, Four Year Strong, The Black Dahlia Murder, Black Tide, Watain, Firewind, Rise To Remain, and more.
Official Website: http://uk.sonispherefestivals.com/
Added by nozzy4 on July 3, 2011