VERGENNES — The United States Air Force American Clarinet Quartet is returning to the Vergennes Opera House on Thursday, Oct. 24, with a free community concert. The performance will begin at 7 p.m., with the doors opening by 6:15 p.m. Though this is a free event, tickets can be reserved in advance online, or you may simply come to the Opera House the evening of the performance and pick up a ticket then. The American Clarinet Quartet is a component of the United States Air Force Heritage of America Band, sta … (read more)