 In 1970, the group returned to the "Nationaal Songfestival", this time with their own entry "Waterman", written by Pieter Goemans.They went on to win the competition, which gave them the right to represent the Netherlands in the Eurovision Song Contest 1970, held in Amsterdam.At the time, the rules of the Eurovision Song Contest did not allow groups to compete, so Patricia performed as a solo singer, while Bianca and Stella joined her on stage as backing vocalists.