Today, President Serzh Sargsyan and Mrs. Rita Sargsyan attended a musical performance at the A. Spendiarian Opera and Ballet National Academic Theater organized in the framework of the events dedicated to the 110th anniversary of the Armenian General Benevolent Union with the participation of the students of the Holy See of Saint Echmiadzin, AGBU Hayordats Tun in Nork, and the Tumo Techonological Center.