UDO Wacken 2012. Word Search Puzzle Solver. UDO Wacken 2012 word Search Puzzle Game. Find words related to movie actors, actresses, and genres. Word Search Puzzle Solver. U.D.O. live at Wacken with special guests. U.D.O. is a German power metal band founded by lead singer Udo Dirkschneider in 1987. Wacken Open Air (W:O:A) is a summer open air heavy metal music festival. It takes place annually in the small village of Wacken in Schleswig-Holstein This includes identifying and searching for words that are related to : Sven Dirkschneider, Music, Udo Dirkschneider .