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Edith Piaf version
The song is now mainly identified with Édith Piaf, who took it up as a central element of her repertoire. It appears in most collections of Piaf's songs. The romantic theme of a woman's longing for an embittered Legionnaire who refuses to reveal his name, with whom she has a brief affair, fits well with Piaf's image.
"Mon légionnaire" was recorded by Serge Gainsbourg in 1987; the male voice singing the lyrics made famous by Piaf gave the song a strong homoerotic undertone. This new version of "Mon légionnaire" was a hit on French dance floors, both gay and heterosexual.
French jazz singer Raquel Bitton performed the song as part of her Piaf tribute show "Piaf: Her Story, Her Songs".