The Vangarde Arts Harvest Blues Fest takes place this weekend with a performance Saturday night from Australian blues master Michael Charles . Charles took time out of his busy schedule to talk to Siouxland Public Media’s Sheila Brummer about his upcoming Sioux City appearance and how his music transcends the blues genre. * Special thanks to Jane Rogers, publicist for Michael Charles. Biography: Michael Charles musical pilgrimage started over six decades ago in his birth place Melbourne,