This program features works ranging from Haydn, Vaughn Williams, and Hanson, to Dan Forrest, John Rutter, Mack Wilberg, and Éric Champagne. Tonight’s conductors are Monte Atkinson, Tracy Resseguie, Deborah Chandler, Dennis Cox, Loretta Galbreath, and Pascal Côté. Participating choruses are from California, Colorado, Louisiana, Massachusetts, Maine, Mississippi, Missouri, New York, Pennsylvania, and Montreal, Canada.