Three high school marching bands from Washington County will present their field shows at the state contest this weekend. Pella High School is one host site for the Iowa High School Music Association state contest this Saturday. In class 1A, Highland will perform at 9 a.m. Mid-Prairie will take the field at 10:35 a.m. The Golden Hawks are one of five 2A bands at the site. And in class 3A, the Marching Demon Nation will perform at 12:30 p.m.