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
Marcella Sembrich Gye at Covent Garden and signed a contract there for five seasons. In June 1880 she created a sensation in her debut at Covent Garden as Lucia in Donizetti's "Lucia di Lammermoor". She became a great favorite in the characters of Zerlina, "Don Giovanni"; Susanna, "The Marriage of Figaro"; Konstanze, "The Abduction from the Seraglio"; Lady Harriet/Martha, "Martha"; and, of course, Lucia. In 1883, Marcella Sembrich went to the United States to sing in the newly founded Metropolitan Opera company. She made her Met debut as Lucia in the company premiere of "Lucia di Lammermoor" on October 24, 1883. She