The Male Choir of St. Petersburg

The Male Choir of St Petersburg is a Russian choir that moved to the City of St Petersburg in the 18th century from Moscow. At the end of the 19th Century the choir numbered 90: 40 adults and 50 boys (women were not admitted). Of the 22 basses, 7 were bassi profondi, most notably Vladimir Pasyoukov and Vladimir Miller, who were capable of reaching bottom G easily. The choir utilized private study with Italian methods.
Discography.
The Male Choir Of St. Petersburg - Vadim Afanasiev (EMI Classics) 