Monday's stage announcements included: Summerfest's largest grounds stage (excluding the American Family Insurance Amphitheater) will feature some of the biggest acts of the 2021 lineup, including Wilco, Brett Eldredge and Ludacris. It's also where DJ Diesel — aka NBA legend Shaquille O'Neal — will perform.When does Justin Bieber headline Summerfest 2021?
Zac Brown Band Comes to Summerfest on September 10 - May 14, 2021 Justin Bieber to Headline Summerfest 2022 - May 11, 2021How many stages does Summerfest have this year?
According to Summerfest officials, these musical acts add " even more diversity and excitement to the already stacked lineup featuring over 800 artists on 12 stages." This year, Summerfest will take place over three weekends in September-- Sept. 2- Sept. 4, Sept.9- Sept.11, Sept.16- Sept.18.How often does Summerfest announce its headliner lineups?
Summerfest had a lot of news to share on Monday. In past years, officials with the largest music festival in the United States reveal the headliner lineups for each stage across a couple weeks, breaking it up with one announcement a day.