The North Coast Symphony Orchestra joins with North Coast Singers to present Holiday Harmonies, a concert of festive music, on Friday, December 12 at 7 p.m. and Sunday, December 14 at 2 p.m. at the San Dieguito United Methodist Church, 170 Calle Magdalena, Encinitas. The program includes orchestral arrangements of beloved classics including White Christmas, Jingle Bell Fantasy, Overture of French Carols, Greensleeves, and Joy to the World.