Friday night wasn’t only an opportunity for the Gloucester High School football teams to get in some pre-season practice; it was also a chance for the GHS Marching Dukes and color guard to perform briefly for the crowd gathered to see Gloucester take on Lancaster. The band played a little bit to cheer on the Dukes. Next Thursday, they will have a full half-time show on Thursday, Sept. 3, when Gloucester hosts Jamestown on the gridiron....