I believe that last guy is a doctor, and he does the cello thing for fun. He donates all his tips to charity. Sadly, he was attacked by a woman that hit him over the head with a bottle when he was playing. Said he did not know if he would continue to play in the subway after that.
Only in New York does anyone ever ride in the rain? So why is waterproof riding gear sold worldwide? Only in New York do motorcycle riders jam to the stereo on their bike? Only in New York do you ever see a chicken cross the road? Most of the stuff in these clips definitely do NOT happen only in New York.