In 1963, Tidmand took part in the Dansk Melodi Grand Prix to choose the country's Eurovision Song Contest entry, and finished in second place behind Grethe &amp; Jørgen Ingmann, who went on to win that year's Eurovision for Denmark. The following year, Tidmand won the DMGP with the song "Sangen om dig" ("The Song About You"), which went on to the ninth Eurovision, held in his home city of Copenhagen on 21 March. "Sangen om dig" finished the evening in ninth place of the 16 entries.