San Francisco–The San Francisco Opera presents the world premiere of the complete original version of Tigran Chukhadjian’s "Arshak II." Director Francesca Zambello returns to stage the tale of Armenia’s fourth-century warrior king with baritones Christopher Robertson and Anooshah Golesorkhi sharing the title role. Soprano Hasmik Papian as Olympia–mezzo sopran’s Nora Gubisch and Mzia Nioradze share the role of Paransema and tenor Gordon Gletz as Vallnace. Conductor Loris Tjeknavorian leads the San Francisco Opera Orchestra and Chorus. The six performances are scheduled from September 8 to 30.