Nikolai Korobchevsky
Nikolai Korobchevsky was a famous oktavist who sang at the State Academic Russian Choir under A.V. Sveshnikov in the second half of the twentieth century together with the renowned oktavist Streltsov.
Nikolai Korobchevsky was a famous oktavist who sang at the State Academic Russian Choir under A.V. Sveshnikov in the second half of the twentieth century together with the renowned oktavist Streltsov.