Many jazz musicians are great story tellers, partly because jazz is a natural medium for personal expression. One prime example is pianist, singer and songwriter Dave Frishberg. After building his reputation and career in New York and L.A. Dave settled in Portland, where he continued to write and perform his unique songs from his personal perspective. This week's Jazz Northwest includes three of Dave's songs growing from his early experience as a sideman with Al Cohn, Zoot Sims and Bob