Aron Solomonovich Bubelnikov (1911-1989), professor of the Leningrad (Petersburgian) Conservatoire, opera conductor, having brought up numerous young vocalists, devoted his spare time to piano - his true...
Aron Solomonovich Bubelnikov (1911-1989), professor of the Leningrad (Petersburgian) Conservatoire, opera conductor, having brought up numerous young vocalists, devoted his spare time to piano - his true...
