Fourth Sunday of Advent
O Antiphon for December 20O Clavis David (O Key of David) (Apoc 3: 7) Scepter of the house of Israel, you open and no man closes; you close and no man opens (Isa 22: 22). Come, and deliver him from the chains of prison who sits in darkness and in the shadow of death (Ps 107: 10).
