Out Of The Depths SATB - Robert J. Powell
Our Time SATB - Arr. Robert Page
Oseh Shalom SATB - Victor V. Bobetsky
Os Justi SATB - Joseph Leopold Eybler, Ed. Martin Banner
Orpheus With His Lute TBB - Bruce Trinkley
On Wings Of Hope SATB - Richard A. Nichols
On Wings Of Hope - Richard A. Nichols (vocal solo)
Orpheus With His Lute SATB - Gyorgy Orban
On Goes The River 2-Part - Nancy Gifford
On Christmas Night SATB - Mark Shepperd
Orpheus With His Lute SAB - Bruce Trinkley
Open Thou Mine Eyes SSATBB - Eleanor Daley
Only A Baby Came SAB - Arr. David Giardiniere
One Voice SSA - Tom Shelton
Oh! Christmas Tree SAB - arr. Carl J. Nygard Jr
Oh, Where, Tell Me Where SATB - arr. Bruce Trinkley
Oh, Wasn't That A Wide River SATB - arr. Bruce Trinkley
Oh, Jerusalem In The Morning SATBB - arr. Joseph H. Jennings
Oh Let Me Fly SSAATB - arr. Dan Davison
Offertory (Requiem) SATB - David C. Huff
O Sing To The Lord A New Song 2-Part - William H. Bates
O Sing Out, Be Joyful! 2-Part - Arr. Patrick M. Liebergen
O Pan SATB - Gyorgy Orban
O Night Of Nights SATB - Arr. Robert C. Lau
