All Music
http://www.allmusic.com/
History of Rock and Roll
http://www.history-of-rock.com/
Rock and Roll Hall of Museum
http://www.rockhall.com/
Site of the Rock and Roll Hall of Fame, home to vintage materials and historical pieces of music nostalgia.
Rock'n'Roll Music
http://42explore.com/rocnroll.htm
This project for Rock 'n Roll Music includes a collection of links to biographies of rock 'n roll musicians, bands, and other important figures in the history of rock 'n roll.