O Rex Gentium [music/video] Fourth Tuesday of Advent, Fourth Week of Advent, O Antiphons / By Advent Online
O Oriens [music/video] Fourth Monday of Advent, Fourth Week of Advent, O Antiphons / By Advent Online
O Clavis David [music/video] Fourth Sunday of Advent, Fourth Week of Advent, O Antiphons / By Advent Online
O Radix Jesse [music/video] O Antiphons, Third Saturday of Advent, Third Week of Advent / By Advent Online
O Sapienta [music/video] O Antiphons, Third Thursday of Advent, Third Week of Advent / By Advent Online
