In previous years, booze was only allowed in certain areas
Lana Del Rey in particular struggled with microphone issues throughout her headlining set
The annual festival will return to Chicago's Grant Park on August 1-4
The Iowa festival is set to return from August 2 to 4
The run of 'Still... At Their Very Best' shows kicks off next month
Pretty Lights, Fisher, Megan Thee Stallion, and more were also announced for the festival
The new project also features an alternative live version of ‘Boyhood’
Tickets will go on sale later this week
See what's going down and when at the band's biggest UK headline to date