Here is a good little review video of the US Bill of Rights. The video, produced by the people at Flocabularly is a two minute take on the Bill of Rights. You can find a copy of the lyrics here.
Thanks to Oswego98 for sharing the link on Twitter.
Applications for Education
Flocabulary videos provide a good model for combining US History and music. History teachers and music teachers could work together to have students develop their own songs or raps about various aspects of US History.
Here are some related resources that may be of interest to you:
Reach 'em 2 Teach 'em: Educational Rap
Free Music Archive
More Than 100 Links for Music Teachers