The "O Antiphons" provide a wonderful source of meditation to help prepare us for the Nativity. Traditionally chanted before and after the Magnificat in Evening Prayer during the last week of Advent, they help connect Old Testament prophecy to the Messiah born in a manger. Listen first to this wonderful introduction by Ken Myers of Mars Hill Audio:
The Cradle of Prayer Podcast
The Cradle of Prayer offers recordings for morning and evening prayers and free daily downloads, read directly from the pages of 1928 Book of Common Prayer. Find more about Cradle of Prayer here.