Today's instruction in The Little Blue Book is about the O Antiphons. I'll let it speak for itself. and when you are finished here please visit Lisa at Unexpected Journey as she also has a wonderful post regarding them as well.
The Divine Office made use of Psalms and other Scripture passages over andI am always amazed how much more I still must learn about my faith and the beauty it has to offer us daily as we journey on this pilgrimage.
over on a regular rotation. Over the years, the practice developed of
praying an "antiphon" before and after each Psalm and canticle. This is
the sentence or two from Scripture which "frames" the fixed text. The
antiphons vary with the feast or season, and each one colors the fixed text with
a different accent.~~*~*~~On this day during Advent the O Antiphons begin and will continure through Christmas Eve.The particular antiphon for the day can be found in two places:*It is part of the Alleluia verse for the Liturgy of the day.*In the evening, it is placed before the Magnificat at Vespers for the Liturgy of the Hours.~~*~*~~The Advent antiphons are call the "O Antiphons" because each day's antiphon begins with and "O"...O Wisdom, O Key of David, O Flower of Jesse"s stem...The Little Blue BookAdvent and Christmas Seasons2008-2009
Thanks be to God!