Sacred Reich, Decapitated and more confirmed for Wacken Open Air 2012

Sacred Reich, Decapitated, Insomnium, Oomph!, Gehenna, Eschenbach, Riotgod, SAOR Patrol, D-A-D, Dodheimsgard, Vogelfrey and Warbringer have been confirmed for Wacken Open Air 2012 festival.