While much of the song is sung by a real opera singer there are actually notes in there that human beings can't actually reach. This is a story told by Eric Serra Eric Serra tells about the notorious diva scene played by his girlfriend at the time Maïwenn, and of which he composed the music.

Inva Mula (born 27 June 1963) is an Albanian opera lyric soprano. She began her soprano career at a very early age. Her father (Avni Mula) and mother (Nina Mula) were also opera singers. She is also known for providing the voice of the diva Plavalaguna in the film The Fifth Element.

The "Divine Language" spoken by Leeloo is a fictional language of 400 words, invented by Besson. To practice, Jovovich and Besson held conversations and exchanged letters in the language.

According to the dictionary of the "divine language" that director Luc Besson put out, Leeloo's full name "Leeloominaï Lekatariba-Lamina-Tchaï, Ekbat de Sebat" loosely translates as "Precious Stone of the Earth, Defender of Light and Life, the Honorable".