He also worked as a member of the duet, Grethe og Jørgen Ingmann, together with his wife Grethe Ingmann. After winning the Dansk Melodi Grand Prix competition in 1963, they went on to represent Denmark at the Eurovision Song Contest 1963 where they won with the song "Dansevise" (Dance Ballad), music by Otto Francker and lyrics by Sejr Volmer-Sørensen.