Chicago’s GLC performs fan favorite "Cold As Ice" at A3C Festival 2011’s Perfect Attendance stage.

The three day hip hop festival kicked off yesterday afternoon in Atlanta.

Follow me on Twitter (@NanciOIsHipHop) for updates throughout the weekend.

Hit the jump to see GLC perform his feature verses from Kanye West’s "Spaceship", KiD CuDi’s "The End"and also Church!