Tajemstvà (The Secret)
| genre | opera |
| music | Bedřich Smetana |
| world premiere | 18 September, 1878, Prague (New Czech Theatre, Adolf ÄŒech conductor) |
Prague National Theatre, Prague
| 15 May 2025, Thursday, at 19:00 | Secret  | Best available 1790 CZK | Not on sale |
| 18 May 2025, Sunday, at 17:00 | Secret | Best available 1790 CZK | Not on sale |
| 25 May 2025, Sunday, at 19:00 | Secret | Best available 1790 CZK | Not on sale |