Tot pe 7 Noiembrie 2009 are loc si celebrul festival Mayday, in Poniedzialek Spodek - Katowice, Polonia.

Line-up: Westbam, Sven Väth, DJ Rush, Ferry Corsten, Nick Curly, Felix Kröcher, Tillmann Uhrmacher, Torsten Kanzler, Hardy Hard, Jack De Marseille, Moguai, Klaudia Gawlas, Patrik DSP, Poziom-X, Grzegorz Es, Gogo.

Live Act: Members of Mayday, The Advent vs Industrialyzer, Lützenkirchen, Gregor Tresher, Boris S, Jacek Sienkiewicz, Format:B, Chris Da Break.