Good luck with this. I had a similar thread in 2008 and the song was stuck in my head (on and off) for THREE YEARS until by chance I heard it again and was able to retain enough of the lyrics to find it online. Of course, you're much more capable of describing music than I am, and also people generally seem to be making an actual effort to help you, whereas most people were just assholes to me:
http://www.chiefsplanet.com/BB/showthread.php?p=4891719
Turned out to be Dreaming of You by The Coral: