The 2017-18 season continues with a number of starry productions coming to the forefront. Check out what you can see this weekend. Austria  The Vienna State Opera presents “La Traviata” with Olga Peretyatko-Mariotti and “La Bohème” with Jinxu Xiahou, Hrachuhí Bassenz, Gabriel Bermúdez and Aida Garifullina. “Il Barbiere di Siviglia” and “Die Zauberflöte” headline the Volksoper, which also features a performance of “Gypsy.” {…}