The song however became their breakthrough in Scandinavia, and the duo became especially popular in Denmark. In the early 1980s they even took the unusual step of recording a Danish-language version of their Swedish hit "När Dagen Försvinner" (a cover of Alan Sorrenti's "Tu sei l'unica donna per me"), retitled "Når Dagen Forsvinder".
The song became their breakthrough in Scandinavia, and the duo gained especially popularity in Denmark. In the early 1980s, they even took an unusual step by recording a Danish-language version of their Swedish hit "När Dagen Försvinner" (a cover of Alan Sorrenti's "Tu sei l'unica donna per me"), retitled "Når Dagen Forsvinder".