Austin City Limits has unveiled their lineup for this year's festival, taking place from September 30-October 2 and then back from October 7-9. Radiohead, Kendrick Lamar, LCD Soundsystem and Mumford & Sons are all set to headline both sets of days, with other artists on the bill like Major Lazer, M83, Haim, ScHoolboy Q, Band of Horses and more. Find more information here.