Diğer Roller
| 2023 | Johann Strauss : La chauve-souris Opéra de Bavière - Writer |
| 2020 | Die Fledermaus - Writer |
| 2015 | Eine Nacht in Venedig - Writer |
| 1999 | Eine Nacht in Venedig - Writer |
| 1997 | Opera Australia: Die Fledermaus - Author |
| 1995 | Läderlappen - Opera |
| 1990 | Die Fledermaus - Writer |
| 1986 | Die Fledermaus - Writer |
| 1981 | Netopýr - Opera |
| 1972 | Die Fledermaus - Writer |
| 1957 | Noc v Benátkách - Opera |
| 1937 | Die Fledermaus - Writer |
| 1917 | Das fidele Gefängnis - Story |
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