Tomorrowland is an electronic dance music festival held in Boom, Belgium. The first edition of the festival took place in 2005. Manu Beers, Michiel Beers and ID&T organized the festival. Performers included Push (M.I.K.E.), Erwin Tang Yew Hon, Armin van Buuren, Cor Fijneman, Yves Deruyter, Technoboy, Yoji Biomehanika and Coone.