Upplýsingar frá listasamtökum (staðfest af Operabase)
Opening Of The First International Festival Of Contemporary Music Named After S. Gubaidulina by Schoenberg, Arnold, Gubaidulina, Frá (2011/2011), Hljómsveitarstjóri Alexander Sladkovsky, Saydashev State Great Concert Hall, Kazan’, Russia