The song is a "hope hymn" according to Fabien Lecoeuvre, written at the end of the 1970s, inspired by the situation in Iran, requested by a producer who asked him to write songs for a young singer who took part in the TV program Le jeu de la chance.
[4] The song went unnoticed, but the producer Marc Lumbroso liked it, met with Jean-Jacques Goldman and got him to record a demo, which he sent to Epic, CBS's label for new talents.
At the beginning, the song did not do well on Hit RTL, where it entered the charts on 11 October 1981, the day of Goldman's 30th birthday, climbing 15 places in 18 weeks.
[5] "Il suffira d'un signe" managed to be a commercial success and became a #1 single on 9 May 1982 and became the song (the first of a long list of hits) that really launched Goldman’s solo career.
In 1992, Goldman reprised the song with Carole Fredericks and Michael Jones for the trio’s live album "Sur Scène".