The Kooks, Charli XCX and Tycho will co-headline Thursday night's festivities while McCartney will take on Friday night. Kings of Leon will headline Saturday with The Killers finishing out the weekend on Sunday.
$249-$329
The Woodlands of Dover International Speedway, Dover, DE
Other acts on the bill include Morrissey, Snoop Dogg, Foster the People, Zedd, Hozier and Kid Cudi. Firefly announced that the festival will sell out this year at 90,000 attendees.
Now in its fourth year, Firefly aims to be the East Coast's premier music festival. Previous headlining acts include Jack White, The Black Keys, Red Hot Chili Peppers and Tom Petty and the Heartbreakers.
Firefly Music Festival 2015
Thursday, June 18 through Sunday, June 21$249-$329
The Woodlands of Dover International Speedway, Dover, DE