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
Il finto astrologo times was produced in Fermo in 1988. The finale of the first act (that describes the imaginary travel of Buonafede to the Moon), has been described as "a typical opera buffa jewel". Il finto astrologo Il finto astrologo is an intermezzo by composer Niccolò Piccinni. The opera uses an Italian language libretto by Carlo Goldoni. The work premiered at the Teatro Valle in Rome on 7 February 1765 with a cast that included the famous castrato Venanzio Rauzzini as Clarice. "Il finto astrologo" is derived from "Il mondo della luna", a libretto originally set to music by Baldassare Galuppi in