Exemplary choir «Slavia» of the Children’s Art School N 2 (Yekaterinburg, Russia), artistic director – Olga Chermyaninova
Exemplary choir «Slavia» of the Children’s Art School N 2 (Yekaterinburg, Russia), artistic director – Olga Chermyaninova
Exemplary choir «Slavia» of the Children’s Art School N 2 (Yekaterinburg, Russia), artistic director – Olga Chermyaninova