The Vaillancourt Family will join their intergenerational forces this Wednesday, Dec. 20, for a very special Oasis of Music at Trinity Church, 247 Bates St. in Lewiston, from 12:30-1 p.m.  Scott Vaillancourt, music director at the Basilica of Saints Peter and Paul and his spouse, Linda Vaillancourt, violist for the Bangor Symphony and Maine Music Society, and orchestra teacher at North Yarmouth Academy, will be joined by their daughters, Madeleine and Genevieve. Their program includes a Haydn Divertimento for viola and tuba,  Saint-Saens’ celebrates cello solo “The Swan” performed by Madeleine, a mother-and-daughter performance of Pachelbel’s Canon with Scott on piano, plus a selection of seasonal carols. Admission to the Oasis of Music is free.  FMI: call 344-3106.