Join the Cappella Cantorum Masterworks Chorus for its upcoming 50th Anniversary year!! Registration is on Monday, September 9 (7 p.m. Registration) at John Winthrop Middle School, 1 Winthrop Road, Deep River. Melodious and inspiring works including Bach's Christmas Oratorio will be performed in concert, Sunday, December 15 at John Winthrop Middle School, with professional orchestra and soloists. Simon Holt of the Salt Marsh Opera will direct. Auditions are not required and anyone can join!! Registration is $50 plus cost of music ($15).…