Choir «Fortissimo» of the Children’s Art School No. 4 (Magnitogorsk, Russia), artistic director – Olga Roslyakova

Choir «Fortissimo» of the Children’s Art School No. 4 (Magnitogorsk, Russia), artistic director – Olga Roslyakova

Choir «Fortissimo» of the Children’s Art School No. 4 (Magnitogorsk, Russia), artistic director – Olga Roslyakova