BY TER STAFF

The Guiness World Record holding (World’s Largest Music Festival) Summerfest, kicked off last night with performances by the Arctic Monkeys, Bruno Mars, Ray Lamontagne, and Rick Springfield.

Summerfest, which is held on Milwaukee’s lakefront, runs from now until July 6th, with tickets starting as low as $11. Of this years headliners include Outkast, Lady Gaga, Usher, Brad Paisley, One Republic, Dave Matthews Band, Luke Bryant, Nas, Ludacris and hundreds of other acts.