Paruparong Bukid SSAA - arr George G Hernandez

Part of Your World SSA - arr. Mark Brymer

Part of Your World SATB - arr. Mark Brymer

Part of Your World 2-Part - arr. Mark Brymer

Over the River and Through the Woods SATB - arr. James Eliot

Our Story 2-Part - Mark Burrows

One Vision SATB - arr Philip Lawson

One Step He Leads TTBB - Pepper Choplin

One Short Day SAB - arr. Roger Emerson

On this Winter Night SB - arr. Becki Slagle Mayo

On This Day Earth Shall Ring SATB - arr. Lloyd Larson

On This Day Earth Shall Ring SATB - arr. David Schmidt

On the Air SSATB - Cecilia McDowall

On Earth As It Is In Heaven SATB - arr Rene Clausen

On Each Continent We Worship SATB - Victor C. Johnson

Old Time Rock & Roll TBB - arr. Kirby Shaw

Oh, Didn't It Rain 2-part - arr. Douglas E. Wagner

Oh What A Beautiful City SATB - arr. Eurydice V. Osterman

Offetorium SATB - Michael Haydn

O vos omnes SATB - Tomas Luis de Victoria, ed. Paco Marmol, Manolo Casuas

O sacrum convivium SAATTB - Tomas Luis de Victoria, ed. James Gibbs

O praise the Lord SATB - Uzee Brown, Jr

O Lord, Your Word Has Come to Us SATB - Joseph M. Martin

O Holy Night SSAA - arr. Jay Althouse