Listen to Tranquility Sounds online. Tranquility Sounds is an Unknown language song and is sung by Ultimate Spa Music Academy. Tranquility Sounds, from the album 101 Minutes of Spa Music – Ultimate Wellness Center Sounds, REM Deep Sleep, Deep Brain Stimulation, Relaxation Music for Harmony Body, Soul & Mind, was released in the year 2015. The duration of the song is 3:31. Download Unknown songs online from JioSaavn.