The best of euphoric Goatrance Season 2006. Our yearly edition of the Open Air Series is a wonderful opportunity to reflect again on this years open-air season, which has attracted hundreds of thousands of people all over the world.This time, Dj Mikadho has compiled Open Air Vol.4 with brand new picture material from the main festivals, provided by Kai Mattersdorf, chief editor of Mushroom Magazine. This is a Cd for lovers and hardcore festival goers and to spice it up, Volume 4 brings you 8 exclusive tracks!