Promoters for WACKEN OPEN AIR 2014 have announced the first few bands and unleashed a trailer for next years festival set to take place  7/31-8/2/2014, WACKEN, GERMANY.  WACKEN OPEN  AIR  2014 will be celebrating the festivals 25th anniversary. WACKEN OPEN AIR 2014 have confirmed EMPEROR, KING DIAMOND, AVANTASIA, APOCALYPTICA, AMON AMARTH, CHILDREN OF BODOM, ARCH ENEMY, BEHEMOTH, PRONG, ICED EARTH and more....