Listen to Quiet Cradle Harmony online. Quiet Cradle Harmony is an Instrumental language song and is sung by Brainwave Music, RELAX MUSIC BOX and Relaxing Massage Music. Quiet Cradle Harmony, from the album Peaceful Moments: Baby Relaxation Music, was released in the year 2025. The duration of the song is 3:23. Download Instrumental songs online from JioSaavn.