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2020
Adrian Creda
Switzerland,Piano
Albert Diringer
Switzerland,Piano tunning
Alexandru Gavrilovici
Switzerland,Violin
Collin Hansen
USA / Finland,Opera coach
Cristina Laszlo
Romania,Piano accompaniment
Endre Guran
Switzerland,Viola
Éva Ávéd
Romania,Piano accompaniment
Geraldo Vila
Switzerland,Piano
Irina Gavrilovici
Austria,Canto
Lakatos Vladimir
Germany,Optional Chamber music Strings
Oprean Adelina
Switzerland,Violin
Tamara Granat
Poland,Optional Chamber music with piano
Trottmann Marie
Switzerland,Harp
Verena Sennekamp
Germany,Cello