Stepan Vassilyevich Smolensky (1848-1909).
Stepan Vassilyevich Smolensky (1848-1909), choral conductor, paleographer, researcher of Russian church singing. Professor in history of Russian church singing. 1889-1901).
Stepan Vassilyevich Smolensky (1848-1909), choral conductor, paleographer, researcher of Russian church singing. Professor in history of Russian church singing. 1889-1901).