You can see David Guetta and all of your favorite artists for free at Coachella 2010! You'll receive a free full weekend pass to Coachella if you commit to volunteering at the Stagecoach 2010 festival (which is the weekend after Coachella). Click here to see the full artist lineup for Coachella 2010:
http://coachella.com/event/lineup
Click here to sign up to volunteer for your ticket: https://workexchangeteam.com/CoachStage.php