DES MOINES, IOWA (February 5, 2019) — Hozier, Jason Isbell and The 400 Unit, Brandi Carlile, Kacey Musgraves, St Paul and The Broken Bones, and more have been announced to perform at the Hinterland Music Festival on Friday, August 2 through Sunday, August 4, 2019, at Avenue of the Saints Amphitheater in St Charles, Iowa.