Classical Net:Comprehensive collection of information and news: articles, CD reviews, composers and their music, the basic repertoire, recommended compositions and recordings.
Cadenza: "Resources for classical and contemporary musicians": Basil Ramsey programme note library, multi-lingual classical music glossary, musicians' directory, international events list (sorted by country).
Chamber Music 2000: Project initiated by the Schubert Ensemble of London to commission a large number of works for piano and strings from leading composers, suitable for playing by young and amateur musicians.
Chamber Music America: National association of professional chamber music provides links, calendars, email lists, publications, and grants.
Classica: The World's First Classical Music Channel
Classical Music at About.com: Articles, links, news, chat room.
Classical Music Cube ... The Music Beat: Links: basic repertoire, record companies, music history.
Classical Music Navigator: Brief information on composers, notable works, and forms and styles of music.
Classical Music Pages: History, composer biographies (with portraits and sound samples), explanations of musical forms; dictionary of musical terms. For "beginners" and professional musicians.
Classical Music Thematic Catalogers Index: Catalog of thematic catalogers (of composers' complete works), with links where available online.
Classical Music Thematic Search: [requires Java] Searches on themes entered on an on-screen piano keyboard; finds composer, work, MIDI sample.
ClassiCat for Windows from TDWare: (Music collection cataloging software) shareware download, ordering information.
Coastal Concerts: Presenting renowned performers to the Delaware coastal communities in the fall, winter and spring months. Lewes, Delaware, USA.
Ensemble: Covers all areas of music as taught in school, and sung or played in churches, synagogs, and communities: Jazz, the classics, pop and show; choir, band, or orchestra.
Essentials of Music: Basic information about classical music, including eras, terms and composers, with audio examples.
Fugues and Fugue Sets: Large checklist of fugue sets and important fugues written in the last 300 years.
Institut Classique: Online museum of classical music: information and samples from great composers.
Karadar Bertholdi Classical Music Dictionary: Dictionary of composers with brief biographies, catalogs of works, sound files: MP3, MIDI, and opera libretti.
The Classical Buffet: Features biographies, articles, and other information on classical music.
the Davidsbündler site: We are reviving the conspiracy of 19th Century composer Robert Schumann, to defend the Classical ideal of beauty, and smite the Philistines
The Music Chamber: Resource covering chamber music. Includes instruments, music theory, historical periods, composers, repertoire and audio samples.