Angela Gheorghiu is set to perform at the Istanbul Opera Festival. The soprano will perform in an open-air performance of Puccini’s “Tosca” on July 20 alongside Murat Karahan and Eralp Kıyıcı, a soloist baritone from Ankara DOB. German maestro Raoul Grüneis will conduct the performance. The set design of the opera has been prepared by Özgür Usta, while Serdar Başbuğ {…}