Here there be process: Sonatina for Brass Quintet

I've been looking for something like this for years: the complete process of composing a piece of music. If you're not a musician, try skimming through the text and mainly listening to the different mp3 samples. This is a good demonstration of chunking and working in passes.

Click on the picture to get to David Wilken's "The Composition Process: Sonatina for Brass Quintetto".