I posted the entire 4 movements to this in the past but this is an update with a some changes and a better rendering.
This is all GPO solos
Here it is
On the Cusp of Insanity 4th movement sonar.mp3 - File Shared from Box.net - Free Online File Storage
Here is a score
On the Cusp of Insanity 4th movement.pdf - File Shared from Box.net - Free Online File Storage
The score is provided for those who wish to follow along.
Here is the original post
All comments are appreciated.