If you get a moment, let me know whose voice you think is singing. :)
I listened to the link, and that was Louis Armstrong.
http://www.google.com/musicl?lid=GcSKIIFLjSG&aid=JCCKEEtYqHM
This link shows he recorded it. I did a similar search for Ray Charles and couldn't find that he had recorded it.
Was it kaslin who said this? Looks like she was right.