Great link here a fantastic summary of the known history. I am desperate to hear 'the three carls.'. Although numerous early printings say 'the braes.'.was set to the melody I can't find an aural recording or printing combining the two to see what that melody was. How can it be so famous, that people didn't need to print it - yet now completely 'lost?

http://jopiepopie.blogspot.com/search/label/Will%20You%20Go%20Lassie%20Go%20%281960%29