| Omnes gentes, introit |  |
Mittelalter
Vocal Music
|
| Omnes qui in Christo & Psalm 29, communion | |
Mittelalter
Choral
|
| Omnes qui in Christo, communion (Weihn 22) | |
Mittelalter
Choral
|
| Omnes sitientes, antiphon | |
Mittelalter
Choral
|
| Omnes sunt administratori spiritus | |
Mittelalter
Choral
|
| Omnes una Gaudeamus, noël for 2 voices | |
Mittelalter
Choral
|
| Omni die dic Mariae, hymn | |
Mittelalter
Choral
|
| Omnia, introit | |
Mittelalter
Choral
|
| Omnipotens eterne (Agnus Dei) | |
Mittelalter
Choral
|
| Omnipotens genitor, Kyrietopus | |
Mittelalter
|
| Omnipotens sempiterne Deus, Oratio | |
Mittelalter
|
| Omnis saltus Libani/Congaudeat eccesia | |
Mittelalter
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| Omnis terra | |
Mittelalter
|
| Onmes de Sabat Venient (Graduale) | |
Mittelalter
|
| Operibus Sanctis Nicholaus, responsory | |
Mittelalter
Choral
|
| Oportebat pati, in mode 2 (GR. 220) | |
Mittelalter
Choral
|
| Oportet te | |
Mittelalter
Choral
|
| Optimam partem elgit | |
Mittelalter
|
| Optimum partem, communio | |
Mittelalter
Choral
|
| Ora pro nobis ... Ut digni efficiamur ... Deus, quit meriti beatissimi | |
Mittelalter
Choral
|
| Ora pro nobis ... Ut digni efficiamur ... Ominpotens empriterne Deus | |
Mittelalter
Choral
|
| Ora pro nobis (Responsory) | |
Mittelalter
|
| Orante Beatissimo | |
Mittelalter
Vocal Music
|
| Orante Sancta Lucia, Dixit Dominus, antiphon | |
Mittelalter
Choral
|
| Orante Santo Clemente (Responsory) | |
Mittelalter
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