If it’s true, as they say, that opposites attract, Pappano and Küchle are living proof of it. He’s a champion of new music, of pushing – or pulling, perhaps – opera into the 21st century. She, on the other hand, is devoted to early music. For her, 16th- and 17th-century composers like Claudio Monteverdi, Richardo Rogniono and Jacopo Peri are not relics of past cultures. They are very much alive.