Listen to Carnival of the Animals: XIII. Le Cygne (The Swan) online. Carnival of the Animals: XIII. Le Cygne (The Swan) is an Unknown language song and is sung by Deep Sleep Music Club. Carnival of the Animals: XIII. Le Cygne (The Swan), from the album Sleep Music: Relaxation Piano Sleeping Songs & New Age Lullaby Slow Sleep Music Soundscapes, was released in the year 2013. The duration of the song is 2:24. Download Unknown songs online from JioSaavn.