 Joint frontman of US band The Roots and Oscar-winning documentary maker Questlove on the long history of hip-hop. British novelist Zadie Smith talks about her inspirational trip to West Africa. And actors Viggo Mortensen and Vicky Creeps on their new film The Dead Don't Hurt. Also on the show, the Bollywood superstar singer Kavitha Krishnamurti looks forward to a special tour and a musical treat from Pan-African supergroup Les Amazons d'Afrique.