The Roman Church has been singing the "O" Antiphons since at least the eighth century. They are the antiphons that accompany the Magnificat canticle of Evening Prayer from December 17-23. They are a magnificent theology that uses ancient biblical imagery drawn from the messianic hopes of the Old Testament to proclaim the coming Christ as the fulfillment not only of Old Testament hopes but present ones as well. Their repeated use of the imperative "Come!" embodies the longing of all for the Divin

Hear this ancient Advent prayer, "O King of Nations," an antiphon for the Advent season. This is the sixth of the seven "Great O Antiphons," short prayers traditionally sung during the seven days preceding Christmas Eve. This prayer reminds us that Jesus is the king of all nations, a King who has come in clay and knows our sorrows, a King who has come to save us. Special thanks to Sarah Gulseth for her singing. © 1958, 1985 Concordia Publishing House, cph.org. Used by permission. | The Lutheran

The O Antiphons: An Ancient Advent Tradition The O Antiphons are a series of seven liturgical prayers chanted or recited during the final days of Advent, from December 17 to December 23. These antiphons are traditionally sung before the Magnificat during Vespers, the evening prayer of the Liturgy of the Hours. Each antiphon begins with “O” and invokes a biblical title for Christ, such as “O Wisdom,” “O Lord,” “O Root of Jesse,” or “O Emmanuel.” These titles, drawn from Old Testament prophecies,

Hear this ancient prayer "O Key of David", an antiphon for the Advent season. This is the fourth of the seven "Great O Antiphons," short prayers traditionally sung during the seven days preceding Christmas Eve. This prayer reminds us that Jesus unlocked the door of death for all of us, leading us to everlasting life through Him. Special thanks to Sarah Gulseth for her singing. © 1958, 1985 Concordia Publishing House, cph.org. Used by permission. | The Lutheran Church—Missouri Synod

The "O" Antiphons express the Church's deep longing for the coming of Jesus Christ our Savior. Beginning on Dec 17th and continuing until Christmas, an antiphon is sung at Evening Prayer which calls on the Lord under a significant title from the Scriptures. These prayers are also featured in the song "O Come, O Come, Emmanuel" which likewise expresses our deep desire for Christ to come. Please join us this year as we meditate each day on the "O" Antiphon and join in the yearning of all creation

The O Antiphons, sung with the Magnificat during Evening Prayer from December 17–24, use Old Testament imagery to announce Christ’s coming as the Church prepares for Christmas. ‘O Adonai’ in Latin, calls Jesus the Lord of Israel, the God who spoke from the burning bush and gave the Law to Moses, reminding us that Christ is God eternal who entered history to free us from sin and death. | Archdiocese of Bombay