Common and No I.D. revealed to Revolt TV recently that they've been working on a collaborative record called Nobody Smiling, which centers around police- and gang-related violence in both guys' native Chicago; now you can hear a lead single from it, "War." Common presides over No I.D.'s simmering, horn-heavy beat with powerful, impassioned lyrics; he told Revolt he aimed to create a call to action to bring about an end to the conflict. Check it out - no release date yet but we'll keep you posted.