Mother Celebrated With Tea, Original Music At Hyde Hall Mr. and Mrs. George Clarke (Gary and Abbey Koutnik of Oneonta), inset at left, greet arrivals at today’s Mother’s Day Tea at the Hyde Hall National Historic Landmark, north of Cooperstown on Otsego Lake. Above, in the mansion’s restored drawing room, violinist Ann-Marie Barker Schwartz introduces an interlude of a Musicians of Ma’alwyck performance of sheet music found in the Hyde Hall archives from the mansion’s early years. The tea, which…