The choir and orchestra of First Church, Huntsville, and the Huntsville Community Chorus will hold a special 9/11 memorial concert Sept. 11, 5 p.m., at First, Huntsville. Mayor Tommy Battle, representatives of Huntsville’s first responders and other civic and state leaders will be present. Billy Orton is minister of music for First, Huntsville, and director of the Huntsville Community Chorus.…