SuperHeavy Sets Sights On September The new Mick Jagger - fronted supergroup featuring A.R. Rahman, Joss Stone, Damian Marley, and Eurythmics founder Dave Stewart, has come out with an update from atop their collective mountain of Grammies: They are indeed called SuperHeavy (last we’d heard that was just a rumor from an unnamed source), a name which billboard reveals is inspired by Muhammad Ali.…