Francesco Durante: Magnificat; Antonio Vivaldi: Gloria; Francis Poulenc: Gloria. Join singers from Maine and from around the world on beautiful Mount Desert Island. Two performances, with members of the Bangor Symphony Orchestra, in historic St. Saviour’s Episcopal Church: August 8 and 9, 2014 at 7:30 p.m., with a pre-concert talk by music director David Schildkret each evening at 7 p.m.