CHICAGO, IL - JULY 19: Madlib and Freddie Gibbs perform during Pitchfork Music Festival 2015 at Union Park on July 19, 2015 in Chicago, United States. (Photo by Daniel Boczarski/Redferns via Getty Images)

CHICAGO, IL - JULY 19:  Madlib and Freddie Gibbs perform during Pitchfork Music Festival 2015 at Union Park on July 19, 2015 in Chicago, United States.  (Photo by Daniel Boczarski/Redferns via Getty Images)