The song was an unavoidable part of her repertoire, carrying her on tours in Europe, Japan, Latin America, the Arab world and the Francophone countries of Africa.

It was created as a new opening theme for popular prime time Italian TV show Teatro 10, to which they were soundtrack creators.

She accepted with satisfaction and Delon especially liked her text, as did Dalida, who wanted minor changes, which did not happen due to Michaële insistence.

Orlando and Guy Motta, Dalida's longtime concert conductor, made a complete remake of the instrumental, leaning towards Bossa nova.

[10] Alain Delon said in 2006 that by the end of the song, as he repeated the lyrics "que tu es belle" (how beautiful you are), Dalida was constantly laughing.

[11] In 2021. documentary "Archives secrètes", Orlando revealed that in the studio, after everyone had recorded their part, he asked Dalida and Delon to sing the song together, out of pleasure.

The photos were shot during the occasion that spawned one of the most iconic images of France in 1970s; "Dalida and Delon in rue d'Orchampt".

Japanese release features the closeup of the main cover image, while the B-side is changed to "Une vie".

In her 1974 series of concert at Olympia, Delon's voice was replaced by stars of the time; Mike Brant, Ringo, Claude Francois and Patrick Juvet, while video of them was projected behind Dalida.

Dalida made 2 appearances alone on TV in 1973, once only in the room and the second time a sketch in the telephone booth as if talking to Delon, while his videos are being shown.

The title itself has settled into the collective unconscious and has become a formula used in everyday language to denote those who speak empty words.

On France 2's 1996 New Year's Eve programme, Alain Delon performed the French version in duet with Céline Dion, as a tribute to Dalida.