“Oh, is it the one with the kittens and mittens?” my husband asked as city guide Michaela Muhr began to talk about “The Sound of Music” as we walked through the streets of Salzburg. While the movie is famous around the world, most people in Austria don’t have any idea what Julie Andrews’s favorite things are. In fact, according to Muhr, it wasn’t until 2002 that the film premiered on national television. On the one hand, Austrians are amused by the cultural cinematic curiosities, such as “schnitzel with noodles” when the traditional accompaniment is potatoes; on the other hand, only 20 years after the war, memories of the Nazi period were still relatively fresh, and the 1965 movie doesn’t gloss over the tension leading up to it. “Salzburgers prefer to think of their city as the city of Mozart instead,” our guide said. Mozart Everywhere The legacy of one of …