The Mark Har­ri­son Band have just launched their sixth album called The Road to Lib­er­ty. I met Mark at Eal­ing Blues Fes­ti­val a few years ago where I talked to him after his set. He was charm­ing and patient­ly chat­ted to a few of us for quite some time, dis­cussing the beau­ti­ful Nation­al Res­onator guitar…