Get your lawn chairs and blankets ready to help celebrate the end of summer and Peconic Landing's 11th anniversary. The renowned 40-piece orchestra that comprises The Atlantic Wind Symphony, Long Island, NY, will perform at Brecknock Hall on August 31 at 7 p.m. followed by fireworks. FREE. Presented by Peconic Landing & The Brecknock Hall Foundation. Rain date is Sept. 1, 7 p.m.