Never seen it, but my usual detection method would be to look up the film on the best film database anywhere - www.imdb.com and then, since they have soundtrack listings (and just about everything else) for every film ever made, you can use that to start narrowing down possibilities. A quick link for SKOW is
Next target=_blank>http://us.imdb.com/Soundtracks?0094006
Next
step is to go to Amazon.com, and you should be able to hear Real Audio samples of most tracks to eliminate them
I just checked and the Soundtrack is available from Amazon, and the first 5 tracks have samples on the website.
After that, depending on your ethics (or lack of them) you could use the media sharing tools from www.kazaa.com or www.madster.com to try and download free pirated copies of the song.
Good luck.