Mile Twelve. Photo courtesy of the artist. Levitt AMP Sheboygan Music Series Thursday, August 11 City Green, grounds open 5:30 p.m. Music from 6:00–8:30 p.m. FREE, family friendly 6:00 p.m. Opening Band: Sister Winchester 7:00 p.m. Headliner: Mile Twelve–Progressive String Band–Boston, MA Food Trucks available. Food and non-alcoholic carry-ins welcome. Beverage Tent available. No alcohol carry-ins allowed.