G.O.O.D. Music was in the building at Friday’s Cali Christmas. Following Big Sean, 2 Chainz lit up L.A. with a 30-minute set of his own. Taking the stage to “Mercy,” the rapper formerly known as Tity Boi served up plenty of hits off his Grammy-nominated debut Based on a T.R.U. Story including “Birthday Song,” “No Lie,” and “I’m Different.” Catch up to his campaign below.