Thanks all for your contributions.

In sum, based on the more knowledgeable comments, looks like I go against my own instincts and use Lead Belly.

And to the poster who thought this was pretty trivial:

Consider the risk of publishing a 400 page book that mentions the man several times, getting it wrong, and getting sniped at for years by people who think it's pretty important what a famous man's right name is.

Nuff sed. Bob