Other
Music History Online: Music of the 20th Century
This page covers a wide range of topics concerning 20th century music. Included are many references to styles and composers and terms found in 20th century music.
A&E Television
History.com: Why Did the Beatles Break Up?
The four Beatles; John Lennon, Paul McCartney, George Harrison and Ringo Starr; changed music forever in a relatively brief time span, bursting onto the scene in 1963 with "Please Please Me" and recording their last albums, "Let It Be"...
Other
Northern Virginia Ragtime Society: About Ragtime Music
A well-organized synopsis from the Northern Virginia Ragtime Society of the history of Ragtime music overviewing its origin, important historical names and dates, and Ragtime's relation to the world of music. Special emphasis is placed...
Other
Uc Press: Workin' Man Blues
This site, from the University of California Press, offers a description of Gerald Haslam's book about country music in California called "Workin' Man Blues." The site also offers a bit of information about Haslam's life and other works.