No matter what you think, you can only learn so much by listening to your favorite artists and reading your favorite blogs (present company included). One must seek higher power from other sources, including the almighty documentary film. Documentaries about dance music aren't as scarce as you might believe, but there are weak ones out there. What you want from a great documentary is a mixture of intriguing subject matter, engaging experts, and a solidly paced story. DAD's combed through hours of dance music documentaries to present the 10 best—ones that will help you learn a lot about a particular sound or part of the dance music scene.