Over the weekend, Chance the Rapper headlined Red Bull Sound Select’s 30 Days In L.A. concert series.The Chicago rapper didn’t leave the sold-out crowd without pulling a well-played hat trick. Just before wrapping his set, Big Sean appeared on stage to perform his DJ Mustard-produced single “IDFWU.”

“A couple Midwest kids! Show was wild @chancetherapper, luv for bringing me out. Detroit x Chicago,” Big Sean captioned an Instagram photo backstage at the show. Watch the Midwesterners shut it down above.