O Jesus, I Have Promised SATB - Timothy Shaw
O Holy Night SATB - arr. Linda Spevacek
O Happy Day SATB - arr. Larry Farrow
O God, You Are My God SATB - Rosephanye Powell
O For a Thousand Tongues to Sing SATB - John A. Behnke
O for a Thousand Tongues to Sing SATB - arr. David Schwoebel
O everlasting God SATB - Gabriel Jackson
O Day of Peace that Dimly Shines SATB - arr. Jantz A. Black
O Danny Boy SATB - arr. Jonathan Willcocks
O Come, O Come, Emmanuel SATB - arr. Allan Robert Petker
O Come, All You Unfaithful SATB - arr. Heather Sorenson
O Come, All Ye Faithful SATB - arr. David Willcocks
O Christmas Tree (A Dylan Thomas Christmas) SATB - arr. Jon Washburn
O Canada TTBB - arr. Diane Loomer
O Canada SSAA - arr. Diane Loomer
O Burning Mountain TTB - Neil Ginsberg
O Burning Mountain SATB - arr. Jacob Narverud
O be joyful SSA - Becky McGlade
Nunc Dimittis SATB - Amy Beach
Nun danket alle Gott (Versus No. 3) BWV 192 SATB - J.S. Bach
Nun danket alle Gott (Coro No. 1) BWV 192 SATB - J.S. Bach
Nox Aurumque SATB - Eric Whitacre
Now, O Death, Where Is thy Sting SATB - Russell Nagy
