After their storming comeback set at this year's Download festival, Limp Bizkit have been added to the bill of the UK's other Frontman Fred Durst said: "We are honoured to be a part of such an event as Knebworth and even more excited to be returning to England so soon. [The] UK rocks hard!!"Limp Bizkit will support Metallica on Sunday August 2. The Saturday night, August 1, will be headlined by Linkin park.In related news, other new additions to the Sonisphere bill include:Blackhole, Blakfish, Dear Superstar, Exit Ten, Failsafe, Fin, Flood Of Red, Heaven's Basement, Lauren Harris, Me Vs Hero, Rise To Remain, Sylosis, Telegraphs, The Crave, The Dead Formats, The Defiled, Young Guns.The full bill across the two days is as follows: Also confirmed for Sonisphere are Slipknot frontman Corey Taylor (solo set) his bandmate Shawn Crahan's other band Dirty Little Rabbits, Nine Inch Nails, Avenged Sevenfold, Machine Head, Bullet For My Valentine, Taking Back Sunday, Feeder, Alice In Chains, Anthrax, Heaven And Hell, Lamb Of God, Airbourne, Thin Lizzy, Coheed And Cambria, The Used, The Ataris, Fucked Up, Hundred Reasons, Zebrahead. The Sword, Mastodon, Killing Joke, Skindred, Attack! Attack!, Cancer Bats, Dead By April, Dinosaur Pile-Up, Fighting With Wire, The Ataris, The Chapman family, Twin Atlantic and Rolo Tomassi.Tickets are on sale now from www.aloud.com.