Some of the songs are based on earlier tunes, not only the two mentioned above, but also Nettie Moore, a version of a song popular in the 1860's. They all appear to be in the public domain, but as for Nettie Moore, the song on this album has very little of the original on it. Some lines are exact, but it's a different tune. I think making use of such stuff is well within the blues tradition.

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