In this column: blues enthusiasts, folklorists, musicologists, the lomaxes, John Avery Lomax, Bess Brown Lomax, Ruby Terrill Lomax, Shirley Duggan Lomax, Bess Hawes Lomax, John Jr. Lomax, Alan Lomax, Bob Dylon, Richard Amerson, singing cowboy, Jack Thorpe, Lucky Luke, balladhunter, Library of Congress, Nolan Porterfield, Home on a Range, Henry and Virginia Lebermann, Michael Corconan, …