Anatoly Lyadov
Belyayev had learned and played violin, viola and piano when in school, and played viola for many years in a string quartet. Later he became a member in a circle of friends in St. Petersburg of chamber musicians, and with the leaders of that time - Anatoly Lyadov and Alexander Borodin - undertook journeys in Russia and abroad to learn more music, among other places to Bayreuth. Belyayev learned several foreign languages, including German.