Jonny spielt auf
| Composed by | Ernst Krenek, |
| Company | Orchestra and choir of the State opera |
| Venue | Prague National Theatre, Prague |
| Premiere | January 31, 2019 |
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| Composed by | Ernst Krenek, |
| Company | Orchestra and choir of the State opera |
| Venue | Prague National Theatre, Prague |
| Premiere | January 31, 2019 |