Marianne Rosemarie Schwab, known professionally as Mary Roos, and born on 9 January 1949 in Bingen am Rhein, Germany, is a German singer. She recorded her first song at age nine and released her debut record "Ja, die Dicken Sind ja so Gemütlich". She issued her first LP Die Kleine Stadt Will Schlafen Geh’n in 1968. Her breakthrough came in 1970 with the Giorgio Moroder‑Michael Holm composition "Arizona Man". In 1970, she represented Germany at the Eurovision Song Contest with the song "Bei jedem Kuss". In 1972, she placed third with "Nur die Liebe läßt uns leben" in the German national final for the Eurovision Song Contest. In 1984, she entered the same contest and won with the song "Aufrecht geh'n" and achieved 13th place in the Eurovision Song Contest. Her discography included studio albums such as Was ich fühle (1981), Leben spür'n (1987), Alles was ich will (1992), Achterbahn (2003), and later works like Denk was du willst (2013) and Ab jetzt nur noch Zugaben (2017).
