Ten Bucks Theatre Co.’s annual Shakespeare Under the Stars production opens this weekend, with “Henry V” ready to go once more into the breach at 6 p.m. Friday through Sunday at Indian Trail Park in Brewer. On Friday, bluesman Joe Bonamassa plays at the Maine Savings Amphitheater in Bangor and Grateful Dead tribute band Dead on the Water plays at Orono Brewing Co. in Orono, and on Saturday, the Wheels for Warriors car show takes over the Cross Insurance Center in Bangor. Also this weekend, the Bucksport Bay Festival is set for Saturday along the town’s waterfront, including a 5K run, music, food, vendors, kids activities and more. There’s also the Lincoln Loon Festival, which runs through Sunday and celebrates Maine’s iconic waterbird with a parade, music and other festivities.