Song Meaning
Jane Birkin's "La pleine lune" isn't just a song; it's a psychological autopsy set to music. The speaker, seemingly addressing a dead lover, dissects a relationship curdled by jealousy and betrayal under the potent influence of the full moon. The opening lines, "Désolée / D'avoir tiré Bel oiseau rare" (Sorry, for having shot you, beautiful rare bird), immediately throws us into a scene of irreversible action, a regretful confession tinged with a hint of self-justification. This 'rare bird' was the first to 'shoot' her with his gaze, suggesting an initial aggression or objectification that set the stage for the tragic outcome. The image of the weapon left carelessly on the table is a potent symbol of temptation and the speaker's inability to resist "tenter le diable" (tempting the devil).
The chorus, with its refrain of "Légitime défense / Légitime démence" (Self-defense / Legitimate madness), cuts to the core of the song's meaning. Was this a crime of passion, driven by the lunar pull on primal instincts, or a calculated act of self-preservation? Birkin doesn't offer easy answers. The full moon becomes a catalyst, exacerbating existing tensions and turning the relationship into a volatile battleground. The lines, "On ne devrait jamais tailler des costumes / Ni montrer les dents / Aux fiancées présumées quand la pleine lune / Fait tourner les sangs" (One should never tailor suits / Nor show one's teeth / To presumed fiancées when the full moon / Makes the blood run wild), point to the dangers of jealousy and possessiveness, especially when amplified by heightened emotions.
The latter part of "La pleine lune" delves into the speaker's conflicted feelings. She acknowledges the deceased lover's flaws ("Si changeant / Si immoral" - So changeable / So immoral) while simultaneously expressing remorse ("Je ne voulais pas vraiment / Vous faire de mal" - I didn't really want to / Hurt you). The chilling line, "La mort vous va si bien / J'envisage / De devenir un rien / Nécrophage" (Death suits you so well / I'm considering / Becoming nothing / Necrophage), suggests a morbid fascination and a willingness to consume the remains of what was. The final verse, with its haunting question, "Ne changerez-vous jamais?" (Will you never change?), underscores the futility of the situation and the speaker's lingering hope for a transformation that will never come.