Informazzjoni minn organizzazzjoni tal-arti (Verifikat minn Operabase)
Musica Juventutis: Mayrhuber / Mätzler / Klavierduo Kalabova & Gugg by Saint-Saëns, Boutry, Brahms, Kalivoda, Jan Václav, Stravinsky, Holliger, Minn (2023/2023), Wiener Konzerthaus, Vienna, Austria