Decon collaborators Roc Marciano, Freddie Gibbs & Evidence have been announced on the 2011 Rock the Bells Festival lineup. The travelling road show is slated for four stops this year: Los Angeles, San Francisco, Boston and, of course, New York City. Roc, Freddie and Ev will join the likes of Ms. Lauryn Hill, Nas, Raekwon + Ghostface, Mobb Deep, Cypress Hill and more as they bring the hottest hip hop show on the planet to a city near you. Ticket information can be found here.