Our Father SATB - Craig Courtney
Opening SATB - Bob Chilcott
Ononyatakaka SATB - Mark G. Sirett
Only One Life SATB - Larry Nickel
One World, One Voice, One Song SATB - Kirby Shaw
One Thing SATB - Craig Courtney
One Thing More SATB - Jane Marshall
One Note Samba 2-Part - arr. Roger Emerson
One Moment In Time SAB - arr. John Higgins
One Love SSA - arr. Mark Brymer
One Love 2-Part Mixed - arr. Mark Brymer
One Black Spike SATB - Jocelyn Morlock
Old Lady Rose TTBB - Dave Baker, arr. Larry Nickel
Oliver Choral Selections SSA - arr. Norman Leyden
On Christmas Night SATB - Ruth Morris Gray
On the Street Where You Live SSA - arr. Teena Chinn
On With the Snow! 2-Part - arr. Douglas E. Wagner
Once Upon a Winter Night 3-Part Mixed - Douglas E. Wagner
Old Lady Rose SATB - arr. Larry Nickel
Oh, Watch the Stars SSA - arr Greg Gilpin
Oh, How Joyfully SATB - arr. Michael Burkhardt
Offertory SSA - John Ness Beck, arr. Craig Courtney
O, Watch the Stars (Round and Round) - Vicki Tucker Courtney
O, Watch the Stars (Round and Round a cappella) Unison - Vicki Tucker Courtney
