Swarovski will once again partner with the Salzburg Festival for the upcoming “Aida.” The glass manufacturer, which was responsible for Anna Netrebko’s dress for her concert performances of “Manon Lescaut” and the Cat suit in “Faust” last summer, will create jewels for Anna Netrebko and will use Swarovski crystals for many of the costumes worn by the principals. The idea for {…}