Informácie od umeleckej organizácie (Overené Operabase)
Sofia Gubaidulina XI International Festival of Contemporary Music CONCORDIA by Gubaidulina, Berlioz, Tanonov, Alexey, Petrovics, Schnittke, Tchaikovsky, A., Od (2021/2021), Dirigent Alexander Sladkovsky, Saydashev State Great Concert Hall, Kazan’, Russia