 Complete the following phrase:  In 1954, Hegerová played the title role in the film Frona under the name Hana Čelková. 1957 saw her first appearance as a singer in Tatra Revue in Bratislava. After she came to Prague, the foremost Czech actor Jan Werich offered her an engagement in the ABC Theatre, however, she refused. From 1958 to 1961, she performed at the Rokoko Theatre in Prague, and from 1961 to 1966 at the Semafor Theater where she appeared in the jazz opera Dobře placená procházka by Jiří Suchý libretto and Jiří Šlitr music, and film Kdyby tisíc klarinetů If a Thousand Clarinets. Hegerovás repertoire included many chansons by Czech and Slovak authors, and also Czech versions of songs from the repertoire of Édith Piaf Mylord, Jacques Brel Ne me quitte pas, and songs by Kurt Weill Surabaya Johnny, The Barbara Song and many others. In 1967, Hana Hegerová appeared at the Paris Olympia with the songs of Jacques Brel and Charles Aznavour. She also performed at the 