The lineup has been revealed for the 13th annual Coachella Music Valley and Arts Festival, which, for the first time, is running over the course of two weekends—April 13-15 and April 20-22—at the Empire Polo Grounds in Indio, CA. Performers include Radiohead, The Black Keys, The Shins, Florence and the Machine, Girl Talk, Feist, Jeff Mangum, Godspeed You! Black Emperor Dr. Dre with Snoop Dogg and many more. Other notable acts that will be of particular interest to our readers are Grace Potter and The Nocturnals, Dawes, Girls, Flying Lotus, Real Estate, Jimmy Cliff with Rancid frontman Tim Armstrong, tUnE-yArDs, The Head and the Heart, Laura Marling, Black Lips and more. Tickets will go on sale Friday at 10:00 AM PT.