German singer Nicole surprised when she won the ESC final in 1982 with the song "Ein bisschen Frieden". What did she do?

Explanation

"Ein bisschen Frieden" is a song about peace, performed in a time with conflicts and division between east and west. After her victory, Nicole sang in four languages: German, English, French and Dutch. The song was recorded in another 5 languages, including Danish. It was sold in over three million copies.