The Hard Stuff. How the frenetic energy of free jazz influenced two completely different genres. Rock "n' roll legend Wayne Kramer talks about the legacy of MC5 and his memoir ‘The Hard Stuff’. And electronic duo Skrapez bring life to machine-music by destroying sound to create a wildly unique musical energy. Credits: Produced and hosted by Kurt Kohnen, Jade Hindmon, and Maureen Cavanaugh. Megan Burke is senior producer.