I gave a musical challenge:

1. Score (ie: write out) a piece of music that is purely percussive.
2. Do not repeat any structure more than three times in a row, and do not use any structure more than six times in the piece as a whole.
3. Record what you've written. Feel free to use multiple "takes" and to use multiple layers.

I'm throwing it to everyone. If you're writing a piece for this challenge, leave a comment here. I'll update the list.

Here are the pieces so far:

 alandrian : Drum-Fuck
 chipuni : Drumming!
 El_Diabloz : Drumming Madness