Recent discussions have involved the composition and creative process, computer music software, andthe death of the song. The list is run and moderated by Ron Prather, a noted Wilder authority. This is a very busy, and businesslike mailing list. Watch what you say here. All postings are perused very thoroughly and errors, omissions, and affronts are punishable by many follow-ups.
Discussions tend to be very intelligent and often lengthy, with some very long posts involved.
The regular appearence of theatre celebrities, luminaries, or just plain experienced theatre professionals makes this a lively and valuable resource. A much more technically oriented group. As the name implies, rec.arts.theatre.stagecraft is an area devoted to the technical aspects of theatre. The techies who hang here are knowledgeable and willing to share that knowledge. Andrew Kraft's incredibly thorough compendium of theatre links.