Informazzjoni minn organizzazzjoni tal-arti (Verifikat minn Operabase)
Sofia Gubaidulina Xiii International Festival of Contemporary Music Concordia by Stravinsky, Schnittke, Ortiz, G., Minn (2023/2023), Surmast Direttur Sergey Ferulev, Dmitry Zheleznov, Saydashev State Great Concert Hall, Kazan’, Russia