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
Joan Carden sang a concert repertoire including Verdi's "Requiem", appearing with Sydney Philharmonia and other ensembles. Overseas, she sang Gilda ("Rigoletto") at Covent Garden in 1974, Donna Anna ("Don Giovanni") at the 1977 Glyndebourne Festival (in the production by Sir Peter Hall) and with the Metropolitan Opera in 1978. Her American debut, however, was as Amenaide with the Houston Grand Opera opposite Marilyn Horne in Rossini's "Tancredi". She also appeared as Constanza ("The Abduction from the Seraglio") with Scottish Opera in 1978. In 1980, she performed with the National Symphony Orchestra at the Kennedy Center in Washington, D.C. She sang the four