Kraftwerk

In November 1974, West German band Kraftwerk released their seminal album Autobahn. They would go on to become one of the world's most influential bands. Witness listens to BBC archive interviews with Kraftwerk frontman Ralf Hütter and former drummer Wolfgang Flür, along with Kraftwerk biographer David Buckley.

(Photo: Kraftwerk perform Autobahn during the Kraftwerk Retrospective at the Museum of Modern Art, New York, 2012. Credit: Mike Coppola/Getty Images)