In the page's words:

Goldrush Productions GmbH emerged from Goldrush Entertainment GmbH in 2000 to become active in the field of local events in Osnabrück, Münster, Bielefeld and many other places in the surrounding area.
Since then, Goldrush Productions GmbH has been presenting current culture, pop culture, rock, alternative, theater, readings, comedy and open air concerts of all kinds - without subsidies and at its own risk throughout Germany.