Informazzjoni minn organizzazzjoni tal-arti (Verifikat minn Operabase)
Sofia Gubaidulina Xiii International Festival of Contemporary Music Concordia by Groba, Roberto, Shostakovich, Schnittke, Erb 15 Nov 2023, Minn (2023/2023), Surmast Direttur César Álvarez, Saydashev State Great Concert Hall, Kazan’, Russia