A holiday concert featuring performances by Elena Todd, Sandy Schwoebel and Mary Lonsdale Baker takes place at 7:30 p.m., Friday, Dec. 19. A concert of choruses and arias from J.S. Bach's Christmas Oratorio accompanies the 11:15 a.m. service on Sunday, Dec. 21. Organ à la Carte, featuring performances by Jeffrey Campbell and harpist Patricia Harris, takes place at 12:45 p.m., Sunday, Dec. 21. Free, but donations to St. Philip's Friends of Music are encouraged. Call or e-mail firstname.lastname@example.org for more information.