O Leave Me
O Little Town of Hackensack
O Lord of Life
O Lord Thy Word Endureth
O Lord, In Thee We Put Our Trust
O Lord, Increase My Faith
O Lord, Our Lord, Your Works Are Glorious
O Lord, Support Us All the Day Long
O Lord, Thou Hast Searched Me and Known Me
O Magnum Mysterium
O Mary, Where Is Your Baby?
O Mortal Man
O My Luve's Like a Red, Red Rose
O Nata Lux De Lumine
O No John
O No, John
O Pastorelle, Addio
O Praise The Lord, All Ye Nations
O Praise Ye the Lord
O Quam Gloriosum
O Quam Tristis Et Afflicta
O Rest in the Lord
O Rest In The Lord
O Sacred Feast
O Sanctissima
O Savior of the World
O Saviour, Hear Me!
O Schone Nacht
O Seeker of Dreams
O Sifuni Mungu
O Sing a New Song
