Kanye West gave a surprise performance at Chance The Rapper’s Magnificent Coloring Day Festival in Chicago today. He did a medley of hits including “Black Skinhead,” “Can’t Tell Me Nothing,” “Touch The Sky,” “Gold Digger,” “Father Stretch My Hands Pt. 1,” “Pt. 2,” and his verse from Schoolboy Q’s “THat Part,” and Chance joined him for a rendition of their transcendent The Life Of Pablo collab “Ultralight Beam.” Watch their performance of “Ultralight Beam” below.