The American Family Insurance Amphitheater is an amphitheater on the south end of the Henry Maier Festival Park in Milwaukee, Wisconsin. The amphitheater was built after an extremely overcrowded Huey Lewis and the News concert in 1984, which drew 30,000 fans to a space suited for 15,000. The amphitheatre capacity 25,000 . It was completed in 1987, with the principal contribution from the Marcus Corporation.The amphitheater plays host to a variety of concerts and events during the spring, summer and fall.It is also the venue for headlining acts performing at Summerfest.