I've blogged about the Mashup Maestro DJ Girl Talk several times before. Here's a very cool look at the pieces that went into making one track from his Feed The Animals CD called "What's It All About". I've included the tracking graphic above and the YouTube clip below so you can listen while you trace the path from beginning to end ala Jeffy or Billy in Family Circus.
Lessig's tete-a-tete with Colbert on the evils of over-protectionist copyright practices.