A look back over the week's music news including all the stories from the Mercury Prize, and an interview with the winner, Speech Debelle. Plus the story of Topic Records, the oldest independent record label in the world, which turns 70 this year, and we analyze the biggest week of Beatles activity in forty years. Plus John Lydon's only interview about the reformation of Public Image Limited. With music journo supremos Matt Everitt and Julie Cullen. Show less