Upplýsingar frá listasamtökum (staðfest af Operabase)
Ix International Festival Of Contemporary Music Named After Sofia Gubaidulina «concordia» by Pizzetti, Maderna, lau 23 nóv 2019, Frá (2019/2019), Hljómsveitarstjóri Pietro Borgonovo, Saydashev State Great Concert Hall, Kazan’, Russia