hAudio Case Study

Per the discussion on the conference call last week, here's the first
draft of the hAudio Case Study for RDFa:

http://wiki.digitalbazaar.com/en/haudio-case-study

Is this what everybody had in mind for the real-world case studies?

What information is missing? What doesn't make sense? What have I left
out? What needs to be explained in further detail?

Corrections and suggestions on what would make a more compelling story
would be great...

-- manu