I think this URL will let you hear a portion of the song - to help refresh your memory. At least, when I copy and paste it into my web browser, it launches on my Real Player and let's me hear about 44 seconds worth of it.
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http://www.wedalert.com/songs/realaudiosongs/Other/Wedding Bell Blues - Fifth Dimension.rm>
Be careful - I don't want to upset anyone by breaking any copyright laws, so don't download.
Thanks,
Lynn