According to Mark Dery in Culture Jamming: Hacking, Slashing and Sniping at the Empire of Signs “audio agitprop… utilizes digital samplers to deconstruct media culture and challenge copyright law…”.
Here’s the Disposable Heroes of Hiphoprisy Television the Drug of the Nation video clip followed by many more recent mash-ups:
Check out these other versions:
Television Disposable Heros: Culture Jamming 2nd Addition
democracynow.org
zipzapzop.com
anarchynotchaos.com
EdwardianLampoon