Franz Lehár’s The Merry Widow (or Die lustige Witwe) is an operetta that was immensely popular on its premiere in 1905, and has continued to cause much amusement in opera houses ever since. Based on Henri Meilhac’s play L'attaché d'ambassadeof 1861, it tells of one Hanna Glawari who is a merry widow because, when her husband died, he left her a fortune of twenty million francs. She comes from the small Balkan principality of Pontevedro whose economy is...