2022 Lineup | Summerfest, The World’s Largest Music Festival Summerfest announces 2023 dates, sticks with three weekend format Summerfest Announces 2023 Dates Shepherd Express Summerfest 2023 headliner; Imagine Dragons on July 8 Home | Summerfest, The World’s Largest Music Festival Summerfest 2023 celebrates 55th anniversary; special promotions Summerfest 2023: Wisconsin festival dates announced | WFRV Who is playing at Summerfest 2023? Home | Summerfest, The World’s Largest Music Festival
