2. Sampling

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.

3. Reverb

Working with Amy Winehouse kicked off Mark's emotional journey with reverb. Today, he travels around the world to unearth its infinite potential.

4. Synthesizers

Mark celebrates the innovators and outsiders who harnessed the power of synthesizers and shares Kevin Parker's (Tame Impala) love for their sound.

5. Drum Machines

“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.

6. Distortion

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