In the 1950s, Průchová - as a member of the Karel Krautgartner Orchestra - became one of the most successful participants of the Czechoslovak song competition Hledáme písničku pro všední den (In Search of a Song for the Weekday) [REF].
In 1968, during the dramatic events of the Warsaw Pact invasion of Czechoslovakia, the whole family moved to the United States.