Summerfest (also known as "The Big Gig") is a yearly music festival held at the 75-acre (30-hectare) Henry Maier Festival Park along the lakefront in Milwaukee, Wisconsin, in the United States. The festival lasts for 11 days, is made up of 11 stages with performances from over 700 bands, and since the mid-1970s has run from late June through early July, usually including the 4th of July holiday. Summerfest attracts between 800,000 and 1,000,000 people each year, promoting itself as "The World's Largest Music Festival", a title certified by the Guinness World Records since 1999. Live musical acts are offered on 11 stages throughout the grounds from noon to midnight, including the 23,000-capacity Marcus Amphitheater.
Part of artRAVE: The ARTPOP Ball.