1. Night Rhythm 45 Brentwood Rd, Chelmsford, MA 01824 Coordinate: 42.60993,-71.36706 Phone: (978) 256-1400
2. Merrimack Valley Chorale 2 Waco Cir, Chelmsford, MA 01824 Coordinate: 42.56805,-71.35418 Phone: (978) 251-7895