Music Time Machine

I love these time machines...right now the Music and Political Time Machines are FREE!  I would love to also get the Video Time Machine.  Right now I am playing with the Music Time Machine.  Here you can choose years in music from 1945 through 2012 and either the U.S. or U.K. charts.  Once you have selected these two variables you then click on "Who was number one?".  It will pull up who was number one and many additional tools:  biography, photo gallery, discography, top tracks, and videos.  Under Bio you get information and links.  When I did 1945 I came up with the Andrews Sisters--song--Rhum and Coca-Cola.  Under Bio you get a Wikipedia link.  Under photo gallery you get several images of the singers, cover albums, etc...  Discography is very interesting--you get all the album covers and then can go into them and listen to snip-its of the songs on each album.  This would make a great history lesson--not only could you study the album covers but also the songs and how they are influenced by the history at the time.  It would be interesting to have students take a different year, research the history of the time and explain how the two effected each other!  I can see this as a very powerful tool during war times!  The music is very representative of the political happenings of the time.  I should note that the videos really aren't videos--at least not the four I have tried so far.  Other issues I have include that the app runs very slow and is frustrating at this point--I probably wouldn't try to run it with students yet....  But I love the idea and history link possibilities!