Kelly Posey: “Potpourri.” Saturday-Sunday, Aug. 29-30, 12-5 p.m. at The Yellow Barn Gallery, Glen Echo Park, 7300 MacArthur Blvd., Glen Echo. Abstractionist painter Posey titled the exhibit “Potpourri” because her early work informs her new work. Admission is free. Visit www.yellowbarngallery.com for more.