Music Avicii Has Canceled His Ultra Performance, Allegedly Needs His Gallbladder Removed Follow Us by Brandon WenerdLast Updated Oct 12, 2022 11:17 pm Bros… Bros… Avicii cancelled his set at ULTRA. GET WELL SOON, AVICII…. CLICK TO READ: Avicii Has Canceled His Ultra Performance, Allegedly Needs His Gallbladder Removed, via TMZ: