Two performances by this one-year-old 45-member orchestra and community chorus of works by Handel, Haydn, Brahms, Vivaldi, Mendelssohn, and other composers. Organized around nine musical scenes, the program combines narration and music, culminating in a performance of “O Holy Night.” Followed by a sing-along of familiar Christmas carols. 3:30 & 6 p.m., Seventh-day Adventist Church, 2796 Packard St. Free. a2philharmonic.org.