Summerfest is an annual music festival at American Family Insurance Amphitheater in Milwaukee, Wisconsin. The festival lasts for 11 days and includes over 800 acts and over 1000 performances. It runs from late June through early July and attracts between 800,000 and 900,000 people each year. The festival was certified by the Guinness World Records since 1999 as "The World's Largest Music Festival". Apart from a variety of big music names and genres, other attractions include comedy acts, shopping vendors, fireworks, family activities, and more.