I believe that Graeme made some recordings himself for Peter Kennedy, and that these were available from Folktrax originally as audiotapes, and subsequently as CDs. I cannot at the moment check that My Eldorado was on them, but I suspect it was. Folktrax no longer operates since Peter went to the great singaround in the sky. There is a thread on this subject currently running and if you contact the people mentioned therein they may be able to help you.