Image 1 of 6 Huddie Ledbetter, who was known as Leadbelly, was recorded by Alan Lomax, the musicologist who first came across the singer in a prison in America Image 1 of 6 Image 1 of 6 Alan Lomax recorded musicians including Huddie Ledbetter, Muddy Waters and Jelly Roll Morton Photo: AP Image 1 of 6 Alan Lomax, the famous musicologist, with his first wife in New York in 1939 Photo: AP Image 1 of