Wednesday, Aug. 12, 2015 7:30 p.m. to 9:30 p.m. Location: Congregational Christian Church, Church St., Lubec, ME For more information: 207 733 2316; summerkeys.com SummerKeys welcomes Andrea Mauer, flute, with Richard McIntyre, piano, to perform at the Mary Potterton Memorial Concert on Wednesday August 12 at 7:30 P.M. The theme …