I very much appreciate the info on the Power of One. I'm a big fan of Hans Zimmer's, so I'll have no problem parting with the money for the soundtrack.. just have to find it in a store (too impatient to order over the internet).
I had become aware of the whole using soundtrack music from other movies for trailers.. which is annoying when you hear something you really like.
I have one more question that may REALLY challenge your knowledge of music.

I have been unable to locate this one for some time. It was the music played during the Trailer for a 1990 movie called Havana with Robert Redford and Lena Olin. I watched the movie hoping to hear the music (thus warranting the purchase of the soundtrack), however the trailer music was not in the movie. I know this one is really obscure, but I thought I'd at least ask.
Thanks again for the Power of One information.
Jon