Lowell Sun Photos
GD Chamber Choir Committee, from left, Aisling Keating, Wendy Kelly and Emily Ray, all of Groton, Lisa Ansara of Dunstable of, and Tracy Cartier, Wendy Flaherty, both of Groton

GD Chamber Choir Committee, from left, Aisling Keating, Wendy Kelly and Emily Ray, all of Groton, Lisa Ansara of Dunstable of, and Tracy Cartier, Wendy Flaherty, both of Groton