This would be one of them.
LANGUAGE WARNING...
...also, he has a website and freely shares his musical talent - so don't judge me![}:)]
^^^ Loved it!!! Bill Gates got some rythym man!
[edit] These guys would've got a huge kick out of performing in that arena. I've had comments that "it's cruel" and "shame on you" when bringing up similar, but the reality is - it's fun & funny and the (most) performers enjoy the fact that we can all smile, laugh & enjoy it with them.
If you point & laugh with criticism or pity, then you're not much of a person imo. Same goes for those who think that we shouldn't enjoy or laugh with performances like that - they're the real hypocrits.
It put a smile on my face - good start for a FRIDAY!!! 
