Sing day of song! great video

check this boy out! BOBBY McFerrin

http://www.youtube.com/watch?v=81uJZIF9TCs

 a great example of someone using natural voice to sing... he gets the crowd to come in... how low can he go around. 6.11... check that part out really great to watch.

i was attracted to this becasue it said he was improvising! if so amazing!