NUR-SULTAN. KAZINFORM - Astana Opera will celebrate an important event in the cultural life of the country – the 100th anniversary of the great Kazakh soprano, People’s Artist of Kazakhstan, People’s Hero of Kazakhstan, People’s Artist of the USSR Roza Baglanova. The anniversary concert Assyl Arman will be held on March 30 at the Baiseitova Chamber Hall, Kazinform has learnt from the Astana Opera’s press service.