I remember talking to Dick and Susan and Dennis Cook about the DT. I probably still have a copy of an old version or two on disc somewhere.

One thing that bugs me is that it's like giant game of "Gossip". Whatever is messed up in the DT gets passed on, from site to site, until something with errors becomes the standard. I've frequently found messed up lyrics that someone stuck on their site, which they grabbed from somewhere else.
I don't know if that isn't the way the folk process works in the digital age.