Oh! What A Beautiful City TTBB - arr. Rollo Dilworth
Oh, Watch the Stars SATB - arr. Mack Wilberg
Oh, Sinner Man 2-Part - arr Michael Burkhardt
Oh, How Can I Keep From Singing SATB - Robert A. Harris
On Music SATB - Kevin A. Memley
O Waly, Waly (Bass solo) - Benjamin Britten
O Say, Can You See SATB - Ruth Morris Gray
O Oriens (Vidimus stellam) SATB - Kevin Siegfried
O Mary, Don't You Weep SATB - arr. Albert McNeil
O Magnum Mysterium SATB - Michael John Trotta
O Lovely Peace 2-Part - G.F. Handel, ed. Leonard Van Camp
O Little Town Of Bethlehem SSAA - Grant Cochran
O Little Town Of Bethlehem SATB - Grant Cochran
O Jesus So Sweet, O Jesus So Mild! SATB - Mark Shepperd
O How Glorious Is The Kingdom SATB - Fred Gramann
O Holy Child SSAA - Michael Cox
Motown The Musical - Section 3 2-Part - Arr. Mac Huff
O God, Beyond All Praising SATB - Holst, arr. Richard Proulx
Motown The Musical - Section 2 2-Part - Arr. Mac Huff
Motown The Musical - Section 1 2-part - Arr. Mac Huff
Moses, Now Your People Are Free! 3-Part Mixed - Cynthia Gray
Morgen! (Op. 27, No. 4) SATB - Richard Strauss, Arr. Stanley M. Hoffman
Moon River SAB - Arr. Ed Lojeski
O Emmanuel SATB - Karen Marrolli