Dave Matthews Band is inviting fans to take part in the creation of a video for its latest single, "Mercy." Individuals who complete one (or more) easy-to-follow photo and/or video tasks may find their images featured within the unique, fan based music video. Details are posted at mercy.davematthewsband.com. One lucky fan who enters will win a trip to the final show of Dave Matthews Band’s summer tour, which will take place at Shoreline Amphitheatre in Mountain View, CA on September 9. Fans do not need to contribute to the video in order to win.