Listen to Prelude Les Sylphides online. Prelude Les Sylphides is an Unknown language song and is sung by The Regency House Orchestra. Prelude Les Sylphides, from the album 100 Classical Chillout : Chilled Relaxing Masterpieces, was released in the year 2017. The duration of the song is 2:28. Download Unknown songs online from JioSaavn.