The weekend comes with a number of great works, including three tour de force Donizetti queens. Among the artists performing are Mariella Devia, Jonas Kaufmann, Rene Pape and  Javier Camarena. Austria  The Vienna State Opera kicks off its weekend with Massenet’s “Werther” starring Ludovic Tézier, Adrian Eröd and Sophie Koch. The opera will be showcased on the company’s live stream {…}