SEAMUS On-Line Organization dedicated to electro-acoustic music. They maintain a database of performance, grant, and teaching opportunities for electro-acoustic artists. http://seamus.lsu.edu/

Mechanical Music Digest Mailing list that discusses mechanical musical instruments. Of interest to experimental music fans are the threads on Conlon Nancarrow and others. http://mmd.foxtail.com/index.html

Calendar for New Music New York City listing of avant-garde, experimental jazz, and new music events. http://www.soundart.org/

Electronic Music Foundation Information and materials relating to the history and current practice of electronic music. This organization also hosts an experimental music calendar. http://www.emf.org/index.html

Vorgon Massive Long Island experimental music collective site, maintained by Droog. http://www.geocities.com/vorgonmassive/

Doubling Buzz Directory A directory of free music by Bad Music Revolution and related experimental music artists. http://solon.dareios.tripod.com/

SoundList Website and email list for announcements of experimental music, free improvisation and sound art events in the Toronto area. http://audiolab.uwaterloo.ca/~soundlst/index.html

Lampo A Chicago-based nonprofit organization that presents experimental music and intermedia events. With current schedule, past events archive and mailing list. http://www.lampo.org/

SoniCabal A freeform collective of Seattle-area rule bending musicians and sound manipulators. With performance calendar, pictures, member profiles, and links. http://www.sonicabal.com/

Experimental Sound Studio A non-profit organization founded in 1986 for the production and promotion of innovative approaches to the sonic arts. http://www.expsoundstudio.org/

Luigi Russolo and The Art of Noise Short article on the history of Russolo. http://switch.sjsu.edu/switch/sound/articles/wendt/folder6/ng632.htm