The non-jazz improvisation series is a concept that germinated in Dick Weissman's mind while he was attending music school. He wrote a 15-piece arrangement of the old square dance tune, Cripple Creek, and wanted the trombone to take a solo as part of the arrangement. When the trombonist kept playing a bebop solo that was totally unsuitable for the chart, Dick realized that - in addition to the many musicians who do not improvise - there are even jazz musicians who don't know how to improvise