Laura Barton is the guest in the pod this week, plugging her book Twenty-One Locks. Her first book, it deals with the pressure of expectation in the build-up to a wedding and hence we've been talking about the increasing part that music plays in weddings, from choice of hymns through highly-choreographed dance routines featuring the bridesmaids, playing the Velvet Underground while the register is being signed and Pan pipers who turn up too late to the ancient tribal rituals of the wedding