Bryn Athyn Cathedral December 4, 8:00 PM Welcoming in the Advent Season, The Bryn Athyn Church will be holding its annual Christmas Vespers Service in the Bryn Athyn Cathedral on Sunday evening, December 4 at 8 PM. The program of Lessons and Carols will include seasonal readings and reflections, and music from a variety of composers provided by Cathedral Choir. The congregation is invited to participate in the singing of familiar carols as we sing in the Christmas Season. Organ preludes begin at 7:40. Admission is free.