In Washington , DC , at a Metro Station, on a cold January morning in 2007, a man with a violin played six Bach pieces for about an hour. During that time, approximately 2,000 people went through the station, most of them on their way to work.
At about 3 minutes
A middle-aged man noticed there was a musician playing. He slowed his pace and stopped for a few seconds, then hurried on to meet his schedule.
At 4 minutes
The violinist received his first dollar. A woman threw money in the hat and, without stopping, continued to walk.
At…