The Dutch audience first met Brokken in 1952 when her song 'I Apologize' was heard on the radio. After her singing attempts she was involved in the Eurovision Song Contest again. She will always be remembered as a beloved singer and the winner of the 1957 Eurovision Song Contest, with the song 'Net Als Toen'.
She was the contest's TV presenter in 1976 in The Hague and also the Dutch spokesperson in the 1997 Eurovision Song Contest. Corry took a hiatus from performing in 1976 when she started to study law, becoming first an attorney and then a judge. In the 1990s she returned to show business, recording an album and performing on stage.