PBS
Pbs: American Roots Music
If teaching a unit about the history of popular music in America, this PBS web site supporting their four-part TV broadcast of a few years ago would make a great resource. Includes lesson plans and oral histories too.
John F. Kennedy Center
The Kennedy Center: Blues Journey
Trace the history of the blues in America through the play, Blues Journey, based on the book by Walter Dean Myers. You can see video clips of the stage play, listen to blues radio shows, and learn about different types of blues music.
Library of Congress
Loc: When They Were Young: A Photographic Retrospective
A Library of Congress Exhibition launching the book, "When They Were Young: A Photographic Retrospective of Childhood from the Library of Congress". Very famous and thoughtful photographs with prose by Robert Coles.
PBS
P.o.v.: Lomax the Songhunter
Resource dedicated to Alan Lomax discussing his role in preserving folk music. Discusses the film about his life and provides activities and additional resources for educators.