I've been searching for this far and wide since I first heard about it years ago. Thank you!

It should be worth noting that this was done in collaboration with David Soldier, an accomplished modern composer.

Well said, Joel. It's so refreshing to find a gadget-head who not only has an environmental conscience, but also has a good grip on what really works and what's just marketing phooey. I can't tell you how sick I am of things like the Green Festival, which tout environmental justice but in the end just look like an excuse for people with disposable incomes to show off how green they are by buying more stuff.

And there's nothing "green" about organic chocolate sold in California when the cacao comes from Ghana, the milk comes from Argentina, and the bar is made in Switzerland.

Damn Interesting did a good writeup on this back in February.

http://www.damninteresting.com/?p=793

Now what they just need to do is shape those holes to work as box wrenches. Aww yeah.