Questlove today announces the highly anticipated 2014 Roots Picnic lineup. The 7th Annual musical experience, taking place on May 31 in Philly, will boast performances by Snoop Dogg, Janelle Monáe, The War on Drugs, Action Bronson, A$AP Ferg, Araabmuzik, Rudimental, Jhené Aiko, Biz Markie, Bad Rabbits, Chill Moody and more.