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 Sacred Feast
O Sapientia
O Savior of the World
O Schone Nacht
O Seeker of Dreams
O Sifuni Mungu
O Sing Joyfully
O Sing Unto the Lord
O Sons and Daughters
O Taste and See
O Voi Che Sospirate A Miglior Note
O Vos Omnes
O Waly, Waly
O Welcome the Savior
O, No John
O-Yo-Yo
Ob-La-Di, Ob-La-Da
Och Jungfrun Hon Går I Ringen
Ode to Music
Of Love
Of the Father's Love Begotten
Oh Come, Emmanuel
