Pieces beginning with: O
| Composer | Piece Title | Instruments |
| Phillip Cooke | O magnum mysterium | Voice (Choir) |
| Liz Lane | O Praise the Lord | Voice (Alto),Voice (Bass),Voice (Choir),Voice (Soprano),Voice (Tenor) |
| Liz Lane | O Praise the Lord | Voice (Alto),Voice (Choir),Voice (Soprano), Organ |
| Liz Lane | O Praise the Lord | Voice (Alto),Voice (Choir),Voice (Soprano), Organ |
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