What We Don't Hear

I recall blogging about this back when it came out, but for some reason the other day (perhaps because I've been finding work to be rather all-absorbing lately) I was reminded of this article about an experiment in which world-renowned violinist Joshua Bell spent half an hour playing in a major DC metro station -- performing some of the world's greatest classical music on his Stradivarius-made violin -- and virtually no one noticed.