Rap ~ the way I heard it, it was Sanit Patrick who was a daycent man who came from daycent people. Hadn't heard about Henry Plummer.

Amos ~ I see that you like one of MY favorite songs, and wonder whether you use the same tune/melody as I do, or something different. (I understand that there are several "variants" of Diamond Joe" which are really completely different songs.) The version I play/sing was learned from Tom Rush's eponymous Vanguard album, where in the liner notes Tom says he learned it from Cisco Houston.