Quite remarkably, as demanding as this opera is, and outside a German-speaking country, Der Rosenkavalier has recently become fixture of La Scala seasons, now appearing in its third production within the last 13 years. This time, the deep and yet lighthearted, bittersweet comedy turned out again a favorite of the Milanese audience, which had been graced with a very early staging back in March 1911, barely six weeks after the Dresden world premiere. Harry Kupfer, former director of the...