This is a favorite hymn which we sing for the Offertory or after Communion during these Christmas  Novena days:
Tell it on the mountain!
Sing it to the sky;
Set the wide world ringing
With the longing cry:

God Himself will save us!
God will be our stay!
Come, Divine Messiah!
Come! Do not delay!
                                         (Sister Mary Bonaventure, O.S.C., Spokane Poor Clare)