The newly expanded three-day event will take place July 25-27 at the Riverfront Belvedere in Louisville, Ky.
Other acts on the bill include Tortise, Z-Trip, Dr. Dog, The New Mastersounds, Groovatron, Delvin & Darko of Spank Rock, Snowden, Extra Golden, Margot & The Nuclear So & So's, Catfish Haven, Film School (featuring members of Pavement), Cabin, Code Red, People Noise, Otis Gibbs, Backyard Tire Fire, Go Van Gogh, All We Seabees and many more.
Tickets, which range from $15-20 per day and go up to $18-23 dollars day of show, are available at TicketWeb.com and Ticketmaster.com.
Two-day and three-day passes are also available, along with a limited number of VIP passes.
In keeping with its central theme of music, arts and activism, the festival will also feature works by 15 artists, info booths for dozens of groups like Earth First! and the Sierra Club, music industry panels, an outdoor extreme sports park, personal empowerment panels, an environmental film showcase and lots more.