The Bangor Symphony Orchestra will join the slate of programming for Bangor’s first full Fourth of July celebration since before the COVID-19 pandemic. The BSO will perform a free Fourth of July pops concert starting at 8:30 p.m. at the Maine Savings Amphitheater on the Bangor waterfront, capping off a day that will feature the traditional pancake breakfast, Brewer-Bangor road race and parade, organized by Bangor Kiwanis.