That's ok though Q, If the chorus of "Jimmy Crack Corn" began as a British crow-scaring song, as I am proposing, then the corncrake and the crow, (and also the sheldrick/shellduck and the crane) all fit quite comfortably there together. Here in Australia, incidently we knew that the word "corn" didn't refer to just the American variety. British songs about John Barleycorn and the like were as popular as the American minstrel songs.