While cruising around lastfm.com one of those rare instances occurred where I came across an interesting ad and clicked on it. Boost Mobile Rockcorps sets up volunteer events where you donate 4 hours of your time and you get a ticket to a show. Some of the artists involved are Korn and The Game.
Apparently RockCorps existed before Boost Mobile branded it. It was started in 2002 in Telluride, CO. With the help from partnering with Boost, they are now doing this in several cities across the nation.
To join and get info for events in your area, click here.