Listen to Old Serenity (Deep Sleep Bgm) online. Old Serenity (Deep Sleep Bgm) is an English language song and is sung by Positive Thoughts Specialists. Old Serenity (Deep Sleep Bgm), from the album Healing Meditation for Spiritual Enlightenment - Calm Music to Stimulate Mind, Music for Sleep, was released in the year 2017. The duration of the song is 4:15. Download English songs online from JioSaavn.