On 24 May 1956, at the first Eurovision Song Contest, held at the Teatro Kursaal in Lugano, each participating country had two entrants due to the format of the competition's first year.
Dauberson's score and placing remain undisclosed to this day as only the winner, Lys Assia, was announced.
[5] On 8 April 1967, Dauberson suffered major injuries while riding in a car driven by her companion, actress Nicole Berger.
Dauberson was thrown out of her seat and through the windscreen, while Berger suffered a fractured skull and a crushed rib cage.
[6][7] Dauberson never fully recovered emotionally or physically from the crash, which ended her career as a singer.