Mark Karan & Jemimah Puddleduck open for “Perfect Age of Rock and Roll Blues Band” with blues greats Pinetop Perkins, Hubert Sumlin, Sugar Blue, Steady Rollin’ Bob Margolin, Willie Smith and Bob Stroger. Together this band represents over 300 years of touring history. They have won several Grammy Awards, have had over 60 Blues Music Award Nominations and over 30 wins.  These veteran performers range in age from 60 to 96 and are the blues history onstage for one great run over the next year.  MK & JP will open the all ages show on 3/31 at the Great American Music Hall in SF, and tickets are now on sale.