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 re Il re Il re ("The king") is a novella or opera in one act and three scenes by composer Umberto Giordano to an Italian libretto by Giovacchino Forzano. The opera premiered at La Scala in Milan on 12 January 1929. Unusual for a 20th-century opera, "Il re" was written specifically as a vehicle for Toti Dal Monte, a coloratura soprano of the old school. Dal Monte performed the work a number of times during her career but after her retirement, the opera quickly fell into obscurity. In December 1949, Arturo Toscanini, who had conducted the world premiere of the opera,