Arranged by Greg Gilpin. "Get Happy" - words and music by Harold Arlen and Ted Koehler; "Oh, Happy Day" - words and music by Edwin R. Hawkins. For Choir. Choral Octavo. Pop Choral Series. Performance / Accompaniment CD only - No Sheet Music included. Gospel; Great American Songbook; Pop. CD only - No Sheet Music included. Published by Alfred Publishing.