Listen to Harmony online. Harmony is an English language song and is sung by Oasis de Détente et Relaxation. Harmony, from the album Chemin Sommeil - Relaxation et Bien Dormir: Compilation Relaxante pour Yoga, Méditation et Sophrologie pour Guérir l'Anxiété et Dormir la Nuit, was released in the year 2016. The duration of the song is 5:50. Download English songs online from JioSaavn.