Friday & Saturday, September 16 & 17:  Harvest Moon Festival.  Shop the Farmers’ Corner market in the Wo Hing Museum yard. Chinese tea and moon cakes will be served to the accompaniment of an erhu and gu zheng harp performance. Enjoy exhibits, local product displays, cultural activities and children’s crafts. A talk on the history of moon festivals will be presented, as well as Chinese cooking demonstrations. Wo Hing Museum, 858 Front Street, Lahaina.  1 to 7 p.m. Free admission.…