Open'er Music Festival
The Open'er Music Festival is a major annual European music festival event in the city of G'dynia in Poland which attracts major global music acts on its bill. Major Global Music Artists who have performed at the Open'er Festival include Prince, Bjork, Coldplay, Pearl Jam and Pink.
Website: http://www.opener.pl/en/
Wikipedia Page: http://en.wikipedia.org/wiki/Open'er_Festival