Manitowoc Lutheran High School Presents - Free Outdoor Summer Concert Series. All concerts begin at 7PM, bring a lawn chair and enjoy the concessions! If inclement weather, concert will be moved into the gym. Saturday: June 22nd Jonah Backus and the Conquerors AND Branches Band-Featured Nonprofit is Peter’s Pantry. Saturday: July 20th St. Marcus Gospel Choir-Featured Nonprofit is Manitowoc Police Department. Saturday: August 17th Koine’-Featured Nonprofit is Pink Heals Manitowoc County.