Chance the Rapper closed out Pitchfork yesterday with an outstanding performance, starting with tracks from "Acid Rap" and "10 Day" before moving into this year's "Surf" with Donnie Trumpet & The Social Experiment. (Kirsten Onsgard / The DePaulia) Check out full recaps and photos at depauliaonline.com. #p4kfest #pitchforkfest #chancetherapper #chicago