Martha Kearney and guests Sarah Churchwell, Sarfraz Manzoor and Paul Morley discuss Harry Hill's X Factor musical I Can't Sing; the UK premiere of the Tony Award-winning Urinetown; Richard Ayoade's film adaptation of Dostoyevsky's The Double; Designs of the Year at the Design Museum; BBC One's World War One drama The Crimson Field; and Richard King's book On Offence. Plus music from Ben Watt and Bernard Butler. Show less