Musical Help

So our company is doing this annual awards meeting. I put together the presentation every year. This year the theme is "Putting the Pieces Together" and is all puzzle pieces graphic-wise. We have put a small flash video together which we keep running while people come in, have cocktails, chat and what not. This flash we keep running to music. Last year our theme was "Chicago, My Kind of Town" and we had Sinatra going. SO...the question is, what songs can you think of that I could put on a CD that would be appropriate. The one we've thought of we really like is the Beatles "Come Together". Keep in mind this is a corporate event...my husband came up with a Tool song which was a little on the loud and negative side ;) Anything you guys can suggest would help immensely as I'm dealing with a crazy deadline!

Oh here's the flash for your viewing pleasure!
http://www.2ddialect.com/work/2005%20Kick%20Off/Intro2005.html