There is a very amusing cartoon about the re-entrant tuning in the latest issue of Early Music Review. I hope I am not infringing their copyright! But I have put it on my [1]www.earlyguitar.ning.com page for the benefit of people who don't see this particular journal.
Monica -- References 1. http://www.earlyguitar.ning.com/ To get on or off this list see list information at http://www.cs.dartmouth.edu/~wbc/lute-admin/index.html