This guy has a unique, but amazing, sound. He's another American, but it's what I can think of off the top of my head at the moment, as I find myself with a few spare minutes. All of your comments were really kind, and this is the easiest blog to update, so I can do it quickly.
My favorite song of his, by far:
There is also a Santana remix, with Santana's guitar laid over it. Check it out, it's awesome.
Here is another great, and more upbeat, song by Citizen Cope:
He's got a really soulful sound. It's good stuff. He's also the guy who made that song "Let the Drummer Kick." You may have heard it around. I think it was used in some commercials and stuff.