Wow! What an amazing and inventive thread!

Q the Bodl is not infallible when it comes to dates. We're working in on it currently. That 1834 date must be later. If it's Walker it's most likely printed by Walker Junior who was obviously printing later.

As those with greater knowledge than creative ability have said, this is a MINSTREL piece. Minstrel pieces were generally very basic and simple and rarely had any hidden meaning, although as someone has suggested it could easily have been adapted as an underground piece.

Also the enormous popularity of the Minstrel troupes from 1840 onwards meant that as soon as the current popstars brought out their latest piece, a multiplicity of adaptations hit the streets and the stage. It shouldn't be that difficult to find the earliest version.