Enemy Of The Sun, Warbringer, and Nightwish have been been confirmed for next year\'s installment of the Wacken Open Air (WOA) festival.
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The festival is set to take place July 31 - August 2, 2008 in Wacken, Germany.
WOA is said to be the largest exclusively metal music festival in the world. It takes place annually in the small town of Wacken in Schleswig-Holstein, northern Germany.