The link below will take you to two English guys that were inspired by Derroll & Jack.
Frank was fortunate enough to see them in the late 50's but I am not sure if Dave ever saw them both. He was certainly impressed when he first heard them or very soon after.
By clicking on the User Name, you will requery the forum for that user. You will see everything that he or she has posted with that Mudcat name.
By clicking on the Thread Name, you will be sent to the Forum on that thread as if you selected it from the main Mudcat Forum page.
By clicking on the Subject, you will also go to the thread as if you selected it from the original Forum page, but also go directly to that particular message.
By clicking on the Date (Posted), you will dig out every message posted that day.
sj