The tune must:
Be creative and original. Come up with a unique tune, which you believe will be perfect as The Official Roskilde Festival Ringtone. Besides that, there are no specific requirements. You can use all kinds of instruments, sounds, voices or whatever you find fitting for your version of the Roskilde ringtone.
The winner will be announced in December.
The winner of this challenge will receive two tickets and transportation to Roskilde Festival 2013 - and a unique backstage tour + food and beverages.