Included is a list of former and current bands that use a Theremin in performance, as well as solo performers, and even recordings. Young Composers is a great new site dedicated to getting your music heard by others. There are audio samples of music, sequences, and more. Listservs Algo-Comp is a listserv dedicated to algorithmic composition. Csound is a good list for anyone working with the program Csound.
Deadlines is a great list of competitions, conferences, and opportunities.
It comes out once a month and also has a web site. ICMA is the listserv for the International Computer Music Association. Max is a great source for help if you use the Macintosh program, Max. SuperCollider is a listserv for all those who are interested in the SC software. This listserv includes discussion about anthropology, technology, and related issues.