The debate rages on—is sampling tribute or theft? One thing's clear: It better be funky. Mark, Paul McCartney, and DJ Premier dig in.

“GIMME A BEAT!” From the Linn drum to the 808, Mark, Questlove, and Too $hort track the evolution of the machines that gave us hip-hop.

Mark and Santigold talk distortion—the rebellious sound of breaking the rules—and explore the pioneers who used it to disrupt culture.