Miami, FL’s Ultra Music Festival has confirmed its second round of performers. Moby, The Disco Biscuits, Duran Duran, will.i.am, Underworld,The Glitch Mob, Armin van Buuren, and Kaskade are among the additions to the fest. These artists join a line-up that already includes: Tiësto, Deadmau5, The Chemical Brothers, Empire of the Sun, !!!, Cut Copy, CSS, Klaxons, Chromeo and Simian Mobile Disco. The Ultra Music Festival will take place on March 25-27 at Bicentennial Park, expanding from two to three days this year. The complete roster of performers and the day-by-day breakdown can be found at the event site.