Medieval Music and Arts Foundation- Early Western and traditional non-Western music: Recording suggestions, discussion, articlesl links.
Music and Chess- An annotated bibliography of musical compositions related to chess.
Music History 102- (at Internet Public Library) Very brief overview of major periods, with 20+ representative samples (RealAudio)
Music History Resources- Outlines and timelines on various topics in music history from the Middle Ages to the present.
The History of Czech Music- A brief history of Czech music, from the Middle Ages to the 20th century; Biographies and work of important composers. (Radio Hudba, Czech Republic)
This Day In Music History- Daily listing of what happened on this day; extensive introductory tutorial on music notation. (CD sales: affiliate)