PRINCETON — The Princeton Symphony Orchestra will perform two Holiday POPS! concerts on Saturday, December 14 at 3 p.m. and 6 p.m. at Richardson Auditorium at Princeton University. Broadway vocalist Andrea Ross will perform “It’s the Most Wonderful Time of the Year,” “Have Yourself a Merry Little Christmas,” and “The Christmas Song.” The Princeton High School Choir will sing “Joy to the World” and “O Holy Night,” and lead the audience in a carol sing-along. John Devlin, music director of the Wheeling Symphony Orchestra, will conduct. “I’m thrilled to once again conduct Holiday POPS! and to work with the talented Andrea Ross to immerse audiences in the spirit of the season,” said Devlin. “It’s such a joyful time of year, and I love hearing patrons chiming in on holiday carols.” Devlin serves as the ninth conductor of the Wheeling Symphony Orchestra. He received the 2023 Georg Solti Foundation Career Assistance Award and has conducted the National Symphony Orchestra, Louisville Orchestra, Hawaii Symphony Orchestra, Columbus Symphony, Omaha Symphony, Princeton Symphony Orchestra, and American Repertory Ballet. Ross was mentored by Andrew Lloyd Webber, who produced her UK album “Moon River.” She performed in Broadway tours of “Whistle Down the Wind” and “The Sound of Music.” She won the Elliot Norton Award for Outstanding Actress and the Gold Medal at the American Traditions Vocal Competition. She has performed with the Boston, Baltimore, and Detroit Symphony Orchestras and BBC Concert Orchestra. She appeared at “Concert for Diana, Princess of Wales.” The Princeton High School Choir includes 85 members selected from 250 student auditions. The choir has performed across North America and Europe. Tickets cost $30-$110, with 50% discounts for youth ages 5-17 with adult purchase. For information: princetonsymphony.org or 609-497-0020.