| O Thou Joyful Day! (tune: O Sanctissima), carol |  |
Choral
|
| O Thou That Tellest Good Things | |
Miscellaneous (Classical)
|
| O virgo viginum | |
Mittelalter
|
| O You Joyous | |
|
| O! Ce veste minunata! (Romanian) | |
Miscellaneous (Classical)
|
| Of the Father's heart begotten (A Christmas Procession) | |
Mittelalter
Miscellaneous (Classical)
|
| Of the Father's Love Begotten | |
|
| Oh, du fröhliche, oh, du selige (German) | |
Miscellaneous (Classical)
|
| Oh, Jesulein zart | |
Miscellaneous (Classical)
|
| Oi Betleem! (Sing Lullaby) (Basque) | |
Miscellaneous (Classical)
|
| Oikan Ayns Bethlehem, carol (Isle of Man) | |
Vocal Music
|
| Omnis mundus, omnes nunc, Christmas motet (German) | |
Choral
|
| On Entend Partout Carillon (Noël du Berry - 17e siècle) | |
Miscellaneous (Classical)
|
| On the 25th of December | |
|
| On The Day Christ Was Born (Russian) | |
Miscellaneous (Classical)
|
| On This Day Earth Shall Ring | |
Choral
|
| Once, as I remember (Italian) | |
Miscellaneous (Classical)
|
| One December Bright and Clear | |
Miscellaneous (Classical)
|
| Only for Christmas, for chorus | |
Choral
|
| Ons is gheboren een uutvercoren, carol (Dutch, 15th c.) | |
Miscellaneous (Classical)
|
| Or vous trémoussez pasteurs de Judée | |
Miscellaneous (Classical)
|
| Or, nous dites Marie (French), carol | |
Miscellaneous (Classical)
|
| Ordet är nu vordet kött (The Word Is Now Made Flesh), carol (Swedish) | |
Miscellaneous (Classical)
|
| Orientis partibus (conduit) | |
Miscellaneous (Classical)
|
| Os Sinos de Belém (The Bells of Bethlehem), carol (Brazilian) | |
Vocal Music
|
