1) Ska festival 
SKAppleton is the largest annual ska concert in the Midwestern United States. It is held in early May each year in Appleton, Wisconsin, and features ska bands from around the region. The concert has included such bands as Mustard Plug, The Toasters, Umbrella Bed, 1,2,3 Walrus!, The Invaders, Something To Do, Quazimodo and the Hunch, Hired Geeks, D...