This year, Austin City Limits celebrates its 15th anniversary. The festival takes place across two weekends—September 30-October 2, and October 7-9—at Zilker Park. Today, it's announced its lineup. Radiohead, LCD Soundsystem, Kendrick Lamar, Kygo, Major Lazer, and Mumford & Sons will headline. Other acts include Haim, M83, LL Cool J, Flume, Major Lazer Anderson .Paak & the Free Nationals, Kacey Musgraves, Willie Nelson, Flying Lotus, Schoolboy Q, Foals, Andrew Bird, Local Natives, DJ Mustard, Conor Oberst, Chris Stapleton, Die Antwoord, and more. Check out the poster below.