| Or udite el buono horare |  |
Choral
|
| Ora pro nobis beate Nicolae | |
Vocal Music
|
| Orestes Stasimo: Fragments instrumentaux de Contrapollinopolis | |
Miscellaneous (Classical)
|
| Organ Book | |
Renaissance
Keyboard
|
| Organ paraphrase of a Kyrie (Mass IV) | |
Keyboard
|
| Organ Sonata in C major | |
Keyboard
|
| Organa (3) | |
Keyboard
|
| Organum Benedicamus Domino | |
Keyboard
|
| Orhnetsits Ezder | |
Miscellaneous (Classical)
|
| Orienti oriens (from the St. Martial Abbey) | |
Miscellaneous (Classical)
|
| Orkney Wedding Song | |
Mittelalter
Miscellaneous (Classical)
|
| Oroku-Musume | |
Miscellaneous (Classical)
|
| Orsu car' Signori | |
Miscellaneous (Classical)
|
| Örülj és örvendezz, keresztyének gyülekezete | |
|
| Örüljetek keresztyének | |
|
| Os tuum inquiens, trope | |
Miscellaneous (Classical)
|
| Osculetur Me (from St. Martial Repertory) | |
Renaissance
Vocal Music
|
| Oso boker | |
Miscellaneous (Classical)
|
| Ot yunosti moieya, Medieval Motet | |
Choral
|
| Otce Nas | |
Miscellaneous (Classical)
|
| Otep myrrhy | |
Miscellaneous (Classical)
|
| Oú s'en vont ces gais bergers? | |
Miscellaneous (Classical)
|
| Ouadouni / Ourdouni souz sbaya | |
|
| Our Caucasian general, song of the Kuban Cossacks | |
Vocal Music
|
| Our Champions March | |
Miscellaneous (Classical)
|
