Bobby McFerrin

[mr.d]

Bobby McFerrin is totally a dude. don't worry be happy. who agrees?

[Hammer]

Great song. Vote for Bobby!

[meekon5]

Bobby McFerrin is totally a dude. don't worry be happy. who agrees?

Actually look the guy up properly and you will see he has done quite a lot since 1988 (when don't worry was released).

He is now a classical conductor and has a lot of very interesting projects:

http://bobbymcferrin.com/

also one of my favourites is:

http://www.ted.com/talks/bobby_mcferrin_hacks_your_brain_with_music.html

I don't disagree with your nomination but think he's already been included.