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.
Thanks. After listening to it a couple more times, I picked up his distinctive growly voice. :)