| A facie furoris |  |
Choral
|
| A sexta autem hora | |
Mittelalter
Choral
|
| A solis ortu usque ad occidua (lament on the death of Charlemagne) | |
Mittelalter
Choral
|
| A solis ortus cardine, hymn in mode 3 (Liber Usualis No. 400) | |
Mittelalter
Choral
|
| A summo caelo Dominus dixit notum fecit-Laetare nunc-Descendit sicut pluvia-Tu es via, antiphon | |
Mittelalter
Choral
|
| Ab Arce Siderea | |
Mittelalter
|
| Ab ignis inuria | |
Mittelalter
Vocal Music
|
| Ab initio et ante saecula creata | |
Mittelalter
|
| Ab initio et ante saecula, reading with responsory Ave Maria gratia plena (Secundis verperis in festis B. M. Virginis per annum) | |
Mittelalter
Choral
|
| Abbo Floriacensis: Carmen acrostichum ad Ottonem 3 | |
Miscellaneous (Classical)
|
| Abbonis Floriacensis Epitaphium | |
Choral
|
| Abel justus, agnus with trope | |
Mittelalter
Choral
|
| Absolve (Requiem Mass) | |
Mittelalter
Choral
|
| Absolve, Domine, animas omnium, tractus in mode 8 (Liber Usualis No 1809) | |
Mittelalter
Choral
|
| Absolve, tract in Mode 8 | |
Mittelalter
Choral
|
| Absterget Deus / Psalm 146 (145) | |
Mittelalter
Choral
|
| Accedite Et Edite | |
Mittelalter
|
| Accepit ergo, antiphon in mode 1 | |
Choral
|
| Accepit vir sanctus | |
Mittelalter
|
| Accipiens Simeon / Nunc Dimittis, antiphon from the Feast of the Presentation and the Canticle of Simeon | |
Mittelalter
Choral
|
| Acclamation after the Consecration | |
Mittelalter
Vocal Music
|
| Actuum Apostolorum, lectio | |
Mittelalter
Choral
|
| Ad adnunciandum, versicule in mode 5 | |
Mittelalter
Choral
|
| Ad aeternae salutis | |
Mittelalter
Choral
|
| Ad aguam benedictam faciendam | |
Mittelalter
|
