Tajemstvà (The Secret)
| genre | opera |
| music | Bedřich Smetana |
| world premiere | 18 September, 1878, Prague (New Czech Theatre, Adolf ÄŒech conductor) |
Prague National Theatre, Prague
| 8 Jun 2025, Sunday, at 19:00 | Secret  | Best available 1790 CZK | |
| 26 Jun 2025, Thursday, at 19:00 | Secret | Best available 1790 CZK |