Jana Jonášová with Bendlová and then at the Academy of Performing Arts in Prague with Teodor Šrubař. She made her professional opera debut in 1965 at the Liberec Theatre as Konstanze in Wolfgang Amadeus Mozart's "The Abduction from the Seraglio". That same year she became involved with the Chamber Opera Prague. She remained committed to the Liberec Theatre through 1970 and then joined the National Theatre in Prague where she initially sang minor roles and worked in the opera chorus. In 1973 Jonášová was promoted to principal sopranos at the National Theatre and she quickly became one of the house's most important
Lisette Oropesa culminating into the creation of her first album titled Within/Without. Next, she was in Munich for a performance of Die Entführung aus dem Serail (The Abduction from the Seraglio) with the Bayerische Staatsoper, making it her fourth year in a row of performing this role there. She then went on to perform a new production of Rigoletto at the Dutch National Opera directed by Damiano Michieletto, in this well-reviewed production, she was noted as being "Slender and graceful, soprano Lisette Oropesa was simply world-class as Gilda, with flawless emission and generous top notes, crystalline up to high E. The long