Yes I have a recollection of a previous thread as well. Off the top of my head I seem to remember I traced it back to a New York Music-Hall song of the 1870s called 'The Knickerbocker Line' which was description of a carriage journey through the New York dockland area. I can't remember what we thought Jubaju was, maybe a particularly flash carriage. How the song got from the Great Lakes to Grimsby/Norfolk is anybody's guess, but New York to the Great Lakes is a relatively short jump. I'd guess that broadsides were involved somewhere along the line.