Ralph Siegel is a German record producer and songwriter. Siegel is one of the most notable figures at the Eurovision Song Contest, in which he has participated with 24 songs so far, among them the 1982 winner song Ein bisschen Frieden.

Nicole Seibert, known professionally as Nicole, is a German singer, songwriter, musician and producer. In 1982, she became the first German representative to win the Eurovision Song Contest. She has released more than 25 studio albums and 80 singles, some of which she performed and recorded in, among other languages, English, Dutch, and French. She wrote the music and lyrics for some of her recordings.