Titles: Sort by "O"
- O Be Joyful in The Lord (3)
- O Blessed Cross of Calvary! (1)
- O Christmas Tree (5)
- O clap your hands (2)
- O Come All Ye Faithful (1)
- O Come and Dwell in Me (1)
- O Come to Bethlehem (2)
- O Come to Set Us Free (1)
- O Come to Us, Emmanuel (1)
- O Come to Us, Emmanuel - CD (1)
- O come, all ye faithful (3)
- O come, all you children (1)
- O Come, Divine Messiah (1)
- O come, divine Messiah! (1)
- O Come, Emmanuel (2)
- O Come, Let Us Adore Him (1)
- O Come, Let Us Sing (1)
- O Come, Let Us Sing Unto the Lord (3)
- O Come, O Come, Emmanuel (3)
- O come, O come, Immanuel (1)
- O come, O Dayspring from on High (1)
- O Come, Sing Together (1)
- O don fatale : from Don Carlo : for mezzo-soprano and piano (1)
- O du frohliche (2003) (1)
- O Filii et Filiae "O Sons and Daughters" Organ (1)
- O Filii Et Filiae (O Sons and Daughterse (1)
- O God Beyond All Praising (1)
- O God Beyond All Praising - Brass Sextet (1)
- O God Beyond All Praising - Full Orchestra (1)
- O God Beyond All Praising - String Orchestra (1)
- O God our help in ages past (1)
- O God whose nature and property (1)
- O God, thou hast cast us out Z36 (1)
- O Gof Beyond All Praising (1)
- O Great God (Parts) (2)
- O Great God (SATB) (1)
- O Great God (TTBB) (1)
- O Hear the Angel Voices (1)
- O Herr, mein Gott, jetzt vor der Nacht (Glory to thee, my God, this night) (1)
- O Holy Child of Bethlehem (1)
- O Holy Child of Bethlehem - CD (1)
- O Holy Child of Bethlehem - Orchestration (1)
- O Holy Jesus (1)
- O Holy Night (3)
- O Holy Night (C instrument part) (1)
- O holy night! (1)
- O how amiable (2)
- O how amiable are thy dwellings (1)
- O Jesu suss, wer dein gedenkt (1)
- O King of Kings (1)
- O King of the Friday (1)
- O Light of Life! (1)
- O Little Town of Bethlehem (1)
- O Lord God of my salvation (1)
- O Lord Most Holy (1)
- O Lord Most Holy (Panis Angelicus) (2)
- O Lord our Governor (1)
- O Lord, I Pray (Abide with Me) (1)
- O Lord, in thy wrath rebuke me not (1)
- O Lord, Thou Hast Searched Me (1)
- O Lord, With Wondrous Mystery (1)
- O Love Divine (1)
- O love, how deep, how broad, how high (1)
- O Magnify the Lord (1)
- O Magnum Mysterium (1)
- O Magnum Mysterium (O Great Mystery) (2)
- O Master, Let Me Walk with Thee (2)
- O Master, Let Me Walk with Thee (string parts) (1)
- O Perfect Love (1)
- O praise God in his holiness (2)
- O praise the gracious power (1)
- O Praise the Mighty Lord (1)
- O Praise Ye the Lord! (1)
- O pray for the peace of Jerusalem (1)
- O Rio (1)
- O Sacred Head Now Wounded (1)
- O Sacred Head Surrounded (1)
- O Sacred Head, Now Wounded (1)
- O sacrum convivium (1)
- O Sanctissima (octavo) (1)
- O Sanctissima (parts) (1)
- O Sanctissima (score) (1)
- O Savior, Blessed Savior (Adoro te devote) (1)
- O Saviour Of The World (1)
- O Sing unto the Lord (1)
- O Sleep Now, Holy Baby (1)
- O taste and see (1)
- O the Deep, Deep Love of Jesus (1)
- O Tuneful Voice (1)
- O vos omnes (2)
- O What their Joy (1)
- O where shall wisdom be found? (1)
- O Wondrous Cross (1)
- O ye little flock (1)
- O You That Hear This Voice (1)
- O'er the hill and o'er the vale (1)
- O, My God, Bestow Thy Tender Mercy from 'Stabat Mater' (1)
- Obertass (Mazurka), Op. 19 (1)
- Objects Op. 62 (1)
- Obliviate (from Harry Potter and the Deathly Hallows, Part 1) (4)
