Yes, the Tinkers did it - that is the version DtG was referring to. Dunno about Rolf, but it's highly likely - he's done everything else!
The first version I learned, some forty or more years ago, had chorus lines of 'Glory Hallelujah, horajarum' and 'Skinny-malinka-doodle-um' just to add more confusion.
The version I now sing is a cross between the Tinkers' version and the earlier one.
Apparently it's the story of Dives and Lazarus...