Alexander Dmitriyvich Kastalsky (1856-1926).
Alexander Dmitriyvich Kastalsky (1856-1926), composer, music folklorist, an authority on choral culture. Professor of choral singing (1922-1926).
Alexander Dmitriyvich Kastalsky (1856-1926), composer, music folklorist, an authority on choral culture. Professor of choral singing (1922-1926).