We're not even done with 2024, but Summerfest officials have already announced about half of the festival shows for the amphitheater and BMO Pavilion in 2025. Need a break? Play the USA TODAY ...

Summerfest 2025 has locked in Def Leppard as the opening night headliner at the American Family Insurance Amphitheater. Leppard is the fourth amphitheater show announced for next year's Summerfest.

Thursday night at the American Family Insurance Amphitheater, Illenium (Nick Miller ... although he crossed the pop-EDM line constantly at Summerfest. He was at the command of a formidable ...