The Potomac Accord: In One-Hundred Years the Prize will be Forgotten (2003)
In One-Hundred Years the Prize will be Forgotten is a gorgeous listen; live, it's illustrated with background slides and film: "We toss our experiences out into the public every night possible with hope that someone may understand the message."
Recommended if you like
Godspeed You! Black Emperor,
Mogwai,
Sigur Rós.