Listen to Tranquil Waters online. Tranquil Waters is an Instrumental language song and is sung by RelaxMyCat, Cat Music Dreams and Cat Music Therapy. Tranquil Waters, from the album Cat Relaxation: The Best Soothing Sleep Music for Cats and Kittens, was released in the year 2020. The duration of the song is 3:00. Download Instrumental songs online from JioSaavn.