Music: Then and Now

We tap our foot to a beat or love a favorite melody. It has been a part of human life since earliest times.

Why music? It is the most direct means we have to communicate. Today it blares or whispers at us from a thousand venues: we have Tchaikovsky, Tony Bennett, the Beetles, Elvis, and Carry Underwood.

What will be the mainstay of musical taste in fifty years -- or even another ten?

This is my s...