Here are two videos for your enjoyment. The first is “O Come All Ye Faithful” performed by the Butler Children’s Orchestra joined by members of The League of Extraordinary Musicians:
The second is the third of the Battlestar Galactica webisodes, “The Face of the Enemy” (HT SF Signal):
http://www.hulu.com/embed/6SHbIkH09rA4rxjFZ7PfnA