O Man of Sorrow (5-661)
O Master, Let Me Walk With Thee (2-511)
O Night of Nights (5-351)
O Rest in the Lord (2-168)
O Sacred Head (2-740)
O Sacred Head, Now Wounded (5-966)
O sacrum convivium (5-461)
O Saviour Sweet (2-321)
O Saviour Sweet (5-953)
O Saviour, Hear Me (0-750)
O Saviour, Prescious Saviour (6-155)
O Sons and Daughters, Let Us Sing (1-793)
O Spirit Divine, Attend Our Prayers (0-753)
O Taste and See (1-232)
O Thou, the Central Orb (5-039)
Ode to Joy (6-236)
Oh Lord, In Thee Have I Trusted (6-176)
Oh, Come Let Us Sing (5-236)
Old Hundredth Psalm Tune, The (4-125)
On This Day of Glory (4-080)
Once in Royal David's City (5-852)
One Starry Night (1-669)
One Thing We Ask, O Lord (0-053)
Open My Eyes That I May See (0-997)
