Almanac of Classical Music History
Birth and death dates of composers and performers; first performances of famous works.
http://www.angelfire.com/biz/acousticdigest/almanac.html

Black History and Classical Music
Brief overview and biographical notes about conductors and performers in the classical tradition.
http://chevalierdesaintgeorges.homestead.com/History.html

Classical Musician Recent Deaths
(from 1988 to current)
http://members.tripod.com/perfartists/obits.html

Corridos Sin Fronteras
Information from Smithsonian Institute about the native Mexican folk music tradition. Includes a graphical timeline, music samples, videos, guides and background material for teachers.
http://www.corridos.org/

History in Song
Includes annotated texts about American history, from Revolutionary War songs to 1960's anti-war protests.
http://www.folkarchive.de/

International Alliance for Women in Music
Includes chronology, extensive biographies of obscure musicians, MIDI files, discography, bibliography, and resources.
http://www.iawm.org/

Jewry in Music
Articles and links about the entry of Jews into the musical professions in Europe in the early nineteenth century.
http://www.smerus.pwp.blueyonder.co.uk/

Medieval Music and Arts Foundation
Early Western and traditional non-Western music: Recording suggestions, discussion, articlesl links.
http://www.medieval.org/

The Music of Freemasonry
Masonic influences on Classical music, and music in the Lodge: Notes, MIDI samples, and facsimile pages.
http://www.masonmusic.org/