O Bella Fusa
O Canada!
O Clap Your Hands
O Come, Little Children
O Come, O Come, Emmauel
O Crux
O Eyes of My Beloved
O Gemma Clarissima
O Gladsome Light
O Glorious Night
O God Our Help in Ages Past
O God Our Help In Ages Past
O God, My Strength and Fortitude
O God, Thou Art My God
O God, Who Hast Prepared
O Happy Souls
O Holy Night
O Holy Night of Wonder
O How Amiable
O Jesus, Grant Me Hope And Comfort
O Leave Me
O Lord of Life
O Lord Thy Word Endureth
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
