This is a Christmas piece for SSAATTBB chorus, and smalll orchestra with harp. The voice parts are represented by "solo string" sounds (as versus the "section" strings. All instruments are GPO (as bundled with Finale 2006)
The following link should, I hope, open a player for this song:
The words are from classic latin Christmas texts:
Hodie, Christus natus est!
O Magnum mysterium!
Gloria in excelsis Deo!