This past weekend, tens of thousands of music fans once again gathered at Chicago's Union Park for the 10th annual Pitchfork Music Festival. This year's edition featured sets from Chance the Rapper, Sleater-Kinney, Wilco, Run the Jewels, Chvrches, A$AP Ferg, and many more. Photographers Kristina Pedersen, Matt Lief Anderson, Erez Avissar, and Ellie Pritts were there to capture all the action onstage.