Listen to Douce Harmonie online. Douce Harmonie is an Instrumental language song and is sung by Clair De Lune. Douce Harmonie, from the album Combattez l'Insomnie: Musique Douce pour Endormissement Profond, was released in the year 2024. The duration of the song is 5:22. Download Instrumental songs online from JioSaavn.