Most film adaptations place the story to the beginning of the 19th century, however based on hints in the poem, as well as the word "ludas" also being used to depict someone suspected of a crime already in the Tripartitum, the original story can be placed at least to the early 16th century.
Together with his brother Bedřich (born 1939), he made recordings of horn duets, and collaborated with several chamber orchestras, such as Collegium Musicum Pragense, Ars Rediviva, Collegium tripartitum and Solistes Européens Luxemburg.