Probably lucky he didn'tgetmugged and had his fiddle stolen.....
I remember hearing about this experiment. I think he was playing a very expensive violin, a Stradervarius(sp) even.
Knowing myself I would have stopped and listened as I've always had an ear for street musicians. My kids laughed at me in New Orleans one time when I listened for a half hour to a couple guys playing in the quarters on a streetcorner and then bought a couple of their CD's. The kids were pretty surprised several years later when the 2 guys and their band played on The Tonight Show. Always worth it to stop and hear talent of any type music.