Take part in the world's largest music festival '08!

John Mayer, Colbie Caillat and Brett Dennen will be headlining the Marcus Amphitheater tonight.

Tickets are $15 general evening admission (ages 10 and up) with discounts available for daytime attendance, children, seniors, and others. Once you've obtained admission to the festival you are welcome to enjoy entertainment on all of the Grounds Stages for no additional charge. The Marcus Amphitheater is the only stage at Summerfest that requires an additional reserved ticket or, for some shows, a free bar-coded wristband given away for general admission lawn seating. Please visit our website through the link above for more information.