The lineup of the Roots' super-cool annual festival, The Roots Picnic, was announced this morning, as tickets officially went on sale for $80. And like the other four editions of Roots Picnic, and like pretty much every other artist-curated festival, this lineupe is impossible strong. The Roots headline, along with Kid Cudi, and De La Soul, who are going to be backed by the Roots. James Murphy and Diplo will play DJ sets, Danny Brown, Shabazz Palaces, Mr. Muthafuckin' eXquire and Wale will rap. Tune-Yards and St. Vincent fill out the indie rock contingent, with electronic artists filling out the lineup. Go to Okayplayer to check out ticket details.