Referring to the song "Hey Johnny Cope". If he did, do we know the text?
For reference (for people like me who don't know the song):
Lyrics: http://www.educationscotland.gov.uk/scotlandssongs/secondary/genericcontent_tcm4554474.asp
Tune (with pictures!): https://www.youtube.com/watch?v=BcZ4uMmF0vw