One of the earliest blues shows your scribe took in, many decades ago was by Muddy Waters, with Otis Spann on piano and Paul Oscher on the harp, in Tolworth at The Toby Jug. My mis-spent youth eh? Now, some fifty years later, here I am talking with one of Muddy’s sons, Mud Morganfield, also known as Muddy Waters Jnr!