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
Josephine Lucchese "Rigoletto", Lady Harriet Durham in "Martha", Micaëla in "Carmen", Rosina in "The Barber of Seville", Violetta in "La traviata", and the title role in "Lucia di Lammermoor". In 1925 Lucchese performed Violetta to 's Alfredo at the Academy of Music in the very first performance of the Philadelphia La Scala Opera Company. In 1926 she made her debut with the Philadelphia Grand Opera Company (PGOC) as Gilda to Millo Picco's Rigoletto. She later became a resident artist with the PGOC from 1929 until the company's bankruptcy in 1932, performing such roles as Konstanze in "The Abduction from the Seraglio", Leïla