In College we had a "wine & cheese" singalong every Saturday night in a small room in the Student Union. One week, they featured an unknown singer and he was pretty good. I had a front row seat, on a first date with a new girlfriend. He sang nonstop for 3+ hours. The Student Union Manager connected his microphone to the building PA system. After about an hour, people were coming in from everywhere, sitting on the floor on every floor, listening.
Soon after, he published an album, and a year after that he released "American Pie". That Don McLean concert was one of the most memorable experiences of my life.
However, I have always wondered what happened to that old "girlfriend"...