LAST WEEKEND I VOLUNTEERED at the Park City Jazz Festival in Deer Valley, Utah. It has become a tradition with me: excellent music, the joy of helping out, the beautiful mountain scenery, not to mention the respite from the August heat of the Salt Lake valley.

In that milieu, I remembered again of the power of music and yet how easy it is to let it slip silently out of our lives. The music that moves me most is jazz, because of its heady improvisation, soaring instrumentality, and ability to enve