プロデューサー
Theater Orchester Biel Solothurn
Conductor
Andres Joho
Stage director
Bruno Berger-Gorski
Set designer
Klaus Hellenstein
Chorus master
Valentin Vassilev
Burgdorf, Switzerland
Biel/Bienne, Switzerland
Baden, Switzerland
Vevey, Switzerland
Düdingen, Switzerland
Solothurn, Switzerland
