The Ultra Music Festival in Miami is one of the biggest EDM events in the world, with dozens of stars performing on multiple stages to huge crowds of dedicated dance music fans. For its 15th annual event, Ultra is expanding to two weekends this year, March 15-17 and 22-24, while also expanding its sound, inviting hip-hop, R&B and rock stars to join the party, including Snoop Dogg and the Weeknd.

Among the highlights of the 2013 Ultra Music Festival are the farewell performances from Swedish House Mafia, who bookend the event with sets on opening night and the final night. Check out the complete Ultra lineup on the official festival website.

As of this writing, the second weekend of the festival is sold out, but a limited number of tickets remain for opening weekend. For suggestions on which performances should not be missed, scroll through PopCrush’s list of the Top 10 Must-See Acts at the 2013 Ultra Music Festival.