The 9th annual So What?! Music Festival (formerly South By So What?!) is coming to Quiktrip Park in Grand Prairie, Texas on March 19-20. The festival already announced a wide range sellout artists like Underoath, New Gound Glory, Bayside and Real Friends, and on Monday announced their last round of artists, which include Fit For A King, Sirens & Sailors, Waterparks, Harbour and more. You can check out a full listing of the festival’s lineup below. You can also head over to the festival’s website to order tickets.