In a society of increasingly mass-produced, assembly-line entertainment, where every individual is treated like an empty pitcher to be filled from above, jazz retains something of the spirit of the handicrafts of yesteryear. The print of the human spirit warms it. Deep down, jazz expresses the enforced & compassionate attitudes of a minority group and may well appeal to us because we all have blue moods and, in a fundamental sense, none of us is wholly free.