‘Kiss me, Sergei! Kiss me hard! Kiss me until the icons fall and split!’ sings Katerina Ismailova, adulterous antiheroine of Lady Macbeth of Mtsensk. Stalin was not amused by Shostakovich’s bleak black comedy but our culture would be poorer without bored wives like Katerina. Perhaps all that Emma Bovary, Anna Karenina and Laura Jesson needed was a proper kiss — the sort that mutes the white noise of disappointment.