| Onc voir par amour n'amai, motet |  |
Choral
|
| Once As I Remember |  |
Miscellaneous (Classical)
|
| Once He Came in Blessing |  |
Miscellaneous (Classical)
|
| Once I Had a sweetheart |  |
Miscellaneous (Classical)
|
| Ondas do mar de Vigo Mandad' ei comigo (Martin Codax's "Cantigas d'amigo") |  |
Miscellaneous (Classical)
|
| One day follows another |  |
Miscellaneous (Classical)
|
| One Rose, Two Roses |  |
Miscellaneous (Classical)
|
| One-a-strike |  |
Miscellaneous (Classical)
|
| Onques n' amai tant con je fui amée |  |
Miscellaneous (Classical)
|
| Onques N'Amait (Manuscrit du Roi) |  |
Miscellaneous (Classical)
|
| Onse Vader |  |
Vocal Music
|
| Ont menarem bargiera lo diumenche de Rempau et A flat ati paubre garcon, bourree |  |
Barock
Orchestral
|
| Ontario (from "The Philharmonia") |  |
Miscellaneous (Classical)
|
| Ontwect van slape, wie dat ghy zijt |  |
Vocal Music
|
| Oom, Pah-Pah |  |
Miscellaneous (Classical)
|
| Op! Al Den Ting, Som Gud Har Gjort |  |
Miscellaneous (Classical)
|
| Op't treuergeluyd (Psalm 61) |  | |
| Open Fire March |  |
Orchestral
|
| Open the door softly |  |
Miscellaneous (Classical)
|
| Open your jewel case |  |
Miscellaneous (Classical)
|
| Opera manuum, Antiphon |  |
Vocal Music
|
| Or su corere |  |
Miscellaneous (Classical)
|
| Or sus mon coeur |  |
Miscellaneous (Classical)
|
| Or sus vous dormés trop |  |
Renaissance
Vocal Music
|
| Or sus, mon cuer, vers ma dame t'encline |  |
Miscellaneous (Classical)
|