According to the ACL Message Boards, here’s who can be heard:
Okkervil River, Man Man, Silversun Pickups, CSS, N.E.R.D., Gnarls Barkley, The Raconteurs, MGMT, Jamie Lidell, Eli Reed, Neko Case, Kate Nash, Hot Chip, The Octopus Project, Del the Funky Homosapien, Heartless Bastards, Robert Earl Keen, Sharon Jones & The Dap Kings, Tegan & Sara, Ingrid Michaelson, and Black Joe Lewis
The ACL Fest is happening from September 26th – 28th, the full lineup will be officially revealed on April 15.