O Vos Omnes
O Wake and Sing, Good Christians
O Waly, Waly
O Welcome the Savior
O Worship the King
O, No John
O-Yo-Yo
Ob-La-Di, Ob-La-Da
Obwisana
Ocean, Sing a Song of Home
Och Jungfrun Hon Går I Ringen
Ode For Children's Day
Ode to Music
Odi Odi
Of Love
Of the Father's Love Begotten
Oh Come, Emmanuel
Oh How Beautiful, This Finely Woven Earth
Oh Shenandoah
Oh Shenandoah and Other American Folksongs
Oh Susanna Stomp
Oh! What A Beautiful City
Oh, Dear! What Can the Matter Be?
Oh, Didn't It Rain
Oh, How Joyfully
Oh, Love So Cruel
Oh, My Beloved, Thine Eyes
Oh, What a Beautiful Mornin'
Oklahoma
