Belgian Pop & Rock Archives- History and current state of pop & rock in Belgium, including biographies, discographies and real-audio samples. Users can sell or trade records, add concert or record reviews.
Doo-Wop Society of Southern California- Dedicated to the preservation of pre-rock group harmony vocal music. Site includes photos and stories about leading figures of the genre.
Fifties Forever- A light look at the music, movies, TV and cars of the 1950s. Includes photos and trivia.
History of Banned Music in the United States- Detailed view of how music censorship issues have unfolded over the course of American history, dating to the 1950s and sorted by decade. Well-organized site (with unobtrusive commercial links). Many anecdotes.
History of CBGB- Brief history of the club that promotes underground music.
Oldies Music Calendar- Info on births, deaths and events in pop music from the 1950s, 1960s and 1970s. Updated weekly.
PopQuestions.com- Los Angeles music critics answer pop/rock history questions via email. Friendly banter with editors; archive of questions and answers.
Remember A Day- History of American music festivals (up to 1989), including Monterey Pop, Woodstock, Altamont, Watkins Glen and Live Aid.