Beatly Boxed Sir Robin (Cover Edition)

I beatboxed "Bravely Brave Sir Robin" from Monty Python and The Holy Grail, fed that through The Ai Slop Machine, then re-"cover"-ed THAT (so [Slop]²) while slapping the lyrics onto it WITHOUT LOOKING, and then kept reiterating 'til it was "meh, close enough" and this is what happened.