The threads where people compare notes on song origins, with the variant lyrics, the links to related songs, and the debates about whether a particular song is a variation or a different song, are my favorite part of mudcat. It goes without saying that I enjoy it when a performer tells a bit of the history, or an anecdote about the creation of a song--at least, if it is prepared and presented with the same care that the song is--Frank used the word "interesting"--and that is the key to it all--