Eminem and Muse will headline the two-day festival, going on Aug. 5 and 6 at the Kansas Speedway in Kansas City, Kan.

The lineup is as follows:

Friday, Aug. 5

• The Flaming Lips

• Bassnectar

• Ween

• Kid Cudi

• Ellie Goulding

• Primus

• Arctic Monkeys

• Jack’s Mannequin

• D12

• Fitz & The Tantrums

• The Joy Formidable

• Eminem

Saturday, Aug. 6

• The Black Keys

• A Perfect Circle

• Girl Talk

• Flogging Molly

• Cage the Elephant

• Grace Potter and the Nocturnals

• OK Go

• Best Coast

• The Black Angels

• Muse

Additionally, international DJs will perform both days of the festival under the Critical Mass DJ tent. DJ’s scheduled to perform include Sound Tribe Sector 9, John Digweed, Beats Antique, Tinie Tempah and Kerli.

Single and two-day passes to the festival are now on sale and can be purchased through ticketmaster.com. Free on-site camping and parking will be available for ticketed guests.

Go here for more information.