We now know another headliner for Summerfest 2021!
The festival announced Monday that Twenty One Pilots was set to headline Summerfest on Sept. 4 at the American Family Insurance Amphitheater.
This will be the band's first show since their last tour in 2019, the festival says.
Tickets go on sale July 1 at 10 a.m.
To see the entire lineup, click here.