From what I read, the Wolf had a version long before Willie put it to paper, so to speak. Maybe this was an acknowledgement that satisfied them both.Thank-you for that bit of information; I did not know.
I wonder why Mr. Dixon never sang Little Red Rooster, his own song?
There's another great story of how Muddy stole Hubert Sumlin and the Wolf stole him back; they loved a shenanigan.