 In court documents filed just hours later, State AG Letitia James accused Blakeman of violating New York's human and civil rights laws. The ban applies to more than 100 parks and properties throughout the county. Desiree DiOrio, WSHU News. The Great South Bay Music Festival will run from Thursday, July 18th to Sunday, July 21st in Patchogue. This is the 16th year that Long Island's longest-running music festival is happening.