Imagine I know all the songs ever made by a particular musician, and I listen to his music over and over again, so that I know them off by heart and they mean a lot to me. How well then can I claim to know and love that musician as a person? Can I assume that his songs reflect his personality and self? If I know them, can I assume that what I understand them to be gives me some insight into him? Could I fall in love with him just by virtue of his music?

It is surely possible that a person's music reflects his or her personality and self, and possible that, by listening to this music, you gain insight and understanding of him or her as a person. But I would be very reluctant simply to assume that this is so. Here are three reasons why. First, the inference from artwork to artist's personality is hardly straightforward. It is rarely true that only a very specific kind of person could possibly have produced a certain set of artworks. And there is little reason to believe that we are good at tracing whatever such connections there may be. I have often been stunned at seeing an artist I greatly admired say silly things in interviews, often including silly things about his or her own artworks. Second, we live in a world of commerialized art, where a single popular song can pull in millions of dollars. A great deal of money is therefore spent on fine-tuning songs to fit a certain free-spending segment of the audience. To put it bluntly, many an...