One of the pieces they sang was a world premiere called "Awake," by Eric Barnum. Abby's choir sang this along with the members of the Chamber Singers. The piece focused on dreams and awakening from them, but not necessarily in that order. I thought it was very moving and that it was sung beautifully.
There was even a little bit of holiday music - Abby's choir finished with a lovely rendition of Silver Bells. I don't have a recording, but here is a nice version by Johnny Mathis:
All in all, it was, as usual, a wonderful way to spend an evening, listening to your child singing.