American Composers Forum: The American Composers Forum is an arts service organization which provides grants, fellowships, recordings and other services for composers of contemporary music.
Bill Amatneek's Storytelling site: Acoustic Stories: My good friend Bill tells stories of his experiences in the music world, peopled by friends of his that we all know. True stories of musical giants.
Chamber Music America: The national association of professional chamber music provides links, calendars, email lists, publications and grant applications online.
Classical MIDI Archives: Classical Music Archives features MIDI format recordings of many public domain classical pieces.
Society of Composers, Inc: SCI is a national organization of composers.