Metal bands Xerath and Primordial have been announced as the latest additions to the UK's Bloodstock Festival.The three-day event will take place from August 12 - 14 at Catton Hall.The Bloodstock 2011 line-up so far is as follows:RONNIE JAMES DIO STAGEMOTORHEADIMMORTALW.A.S.P.DEVIN TOWNSEND PROJECT RHAPSODY OF FIREMORBID ANGEL AT THE GATESTHERION CORONER KREATOR EXODUS TRIPTYKONHAMMERFALL WINTERSUN IHSAHN FINNTROLL GRAVE DIGGER NAPALM DEATH FORBIDDEN TAROT WOLF POISON BLACK 1349 THE DEFILED HELL XERATH SOPHIE LANCASTER STAGEANGELWITCH CRIMINAL LAWNMOWER DETH ARTHEMISPOWER QUEST THE ROTTED OCTOBER FILE NEMHAIN DEF CON ONE SURVIVORS ZERO BYFROST DEADLY CIRCUS FIRE REVOKER ACHREN HAMMER OF THE GODS IMICUS DRIPBACK  NEWBLOOD STAGEFURIOUS HORDE TRAINING ICARUS INNER FIRE SHREDDERTRON UNKNOWN FEAR ENTRO-P SATURNIANRANNOCH PRIMITAI HAERKENTWILIGHTS EMBRACE SANGUINENORTHERN OAKTALANAS SACRED ILLUSION JAGERMEISTER STAGEISOLYSIS LAST IN LINE OPERATION ERROR PIG IRON INFERNOGUARDIANS OF ANDROMEDA STAND UP COMEDYSTEVE HUGHESJASON ROUSESTEVE HILLKEITH PLATTFor full information and tickets see www.bloodstock.uk.com.