Sweden's WOLF have been confirmed for the Rock Hard Festival, set to take place May 13-15 at Amphitheater in Gelsenkirchen, Germany. The complete list of bands currently scheduled to perform at the festival is as follows:
ACCEPT AMON AMARTH CHILDREN OF BODOM COMMUNIC ENSIFERUM HEAVEN SHALL BURN HELLFUELED JON OLIVA'S PAIN MASTERPLAN OVERKILL PRETTY MAIDS SONATA ARCTICA THE HAUNTED THRESHOLD UNLEASHED WOLF
More information is available at RockHardFestival.de.