Carl Sagan's speech (one of the greatest speeches ever written, so meaningfull, so humbling, so true) told by Geraldine James, with the music in the background and then the magnificient choir from Floor. That's just amazing
[yes, that's Dave Wakeling's song from the Beat (uk) or the English Beat (us)]
An interesting story with that. Both Pete Townsend, and David Gilmour were sitting around and they decided to call up Dave and asked him how to play it. From Wikipedia:
Pretty funny that one. Here is if you want to read the whole article.