Defqon.1 keyring

From Wikipedia, the free encyclopedia:

Defqon.1 Festival is an annual music festival held in the Netherlands and Australia. It was founded in 2003 by festival organizer Q-dance. The festival plays mostly hardstyle and dubstyle and related genres such as hardcore techno, jumpstyle and hard trance. Many prominent hardstyle and dubstyle artists perform there annually.

http://en.wikipedia.org/wiki/Defqon.1_Festival