There is SO much Crap posted these days that it does get difficult to see a 'possible' tongue in a cheek !
MY first response was definately akin to Giok's !
Please remember that we do NOT have the advantage of Facial Expression , OR Body Language on a 'Puter screen , AND what is hilariously funny to YOU may appear as offensive to some one from outside your patch !!
Not that I have ever actually sung any of Leadbelly's stuff myself - and believe that IF you like !