Ultra Music Festival happens on 2 consecutive weekends this year in sunny south beach, Miami, FL. Watch it LIVE below. Performances by EDM giants Hardwell, Knife Party, Carl Cox, Deadmau5, Tiesto, Avicii and more! UMF is one of the premiere EDM festivals on the planet featuring state of the art stage production, enormous crowds, and the biggest names in the industry. The broadcast is available in 720hd, so make it full screen and turn it up! If stream freezes, try refreshing the page.