Contemplator
Folk Music of England, Scotland,ireland, Wales & America
Fine comprehensive intro to folk music of English-speaking countries. Lyrics, background and midi files make this a useful site.
Other
Pop and Rock Music in the 60s: A Brief History
This site has an web-article of the origins of 60s rock. Sections include "The Roots of Rock 'n' Roll," "The 1960's Begin," "The British Invade," and "1968 & 1969: The Unraveling." Also includes a bibliography section called...