http://i.imgur.com/ZhFvn.jpg
I am sort of amazed by this because I still stop to listen to the street musicians beating on garbage cans and stuff after work.
nny
M̮͈̣̙̰̝̃̿̎̍ͬa͉̭̥͓ț̘ͯ̈́t̬̻͖̰̞͎ͤ̇ ̈̚J̹͎̿̾ȏ̞̫͈y̭̺ͭc̦̹̟̦̭̫͊̿ͩeͥ̌̾̓ͨ
yeah i remember that. yoyo ma has been known to do similar stuff.
also in NYC occasionally one of the numerous local artists will grab beer money by playing on a platform. usually you can hear the pretty obvious different in skill, and people generally tip well.