There was Armstrong jamming on electric guitar from behind his head for explosive show opener "American Idiot." For the show's end, he performed "Good Riddance (Time of Your Life)" solo on acoustic guitar, shutting his eyes and embracing the bliss of an otherworldly, note-stuffed solo. In turn, Green Day gave their fans at least a dozen moments they'll never forget. And there was no dispute: Green Day was the best band of the night, by far.Įarly in the band's 95-minute set Wednesday, frontman Billie Joe Armstrong practically pleaded with the crowd to put down their phones and enjoy the togetherness, to live in the moment. RELATED: 27 must-see acts at Summerfest 2021 in Milwaukee, from Megan Thee Stallion to Guns N' Roses to Chris StapletonĮxclusively playing stadiums - aside from Summerfest's amphitheater - this is the most stacked lineup of any rock tour in 2021. RELATED: What to know about Summerfest 2021 tickets, COVID-19 rules, shuttle changes, bag policy, new areas and more RELATED: Summerfest 2021 lineup: Here's the schedule by date, time and stage for the Milwaukee music festival Milwaukee Green Day fans have a right to be mad at the band for skipping over the city the past 17 years.īut they returned Wednesday with a hell of a consolation prize: a four-hour show with Fall Out Boy and Weezer, as part of the Hella Mega Tour at the American Family Insurance Amphitheater, to kick off Summerfest. View Gallery: Green Day, Fall Out Boy, Weezer play first night of Summerfest 2021