Информация от художествена организация (Проверено от Operabase)
Viii International Festival Of Contemporary Music Named After Sofia Gubaidulina «concordia» by Pospelova, Penderecki, Lutosławski, Mosolov, Alexander, от (2018/2018), диригент Alexander Sladkovsky, Gabriel Heine, Saydashev State Great Concert Hall, Kazan’, Russia