Listen to Calming Music for Kids (Smooth Piano) online. Calming Music for Kids (Smooth Piano) is an Unknown language song and is sung by Peaceful Sleep Music Collection. Calming Music for Kids (Smooth Piano), from the album All Stages of Sleep – Natural Sleep Aids for Sleep Disorders, Calming Music with Nature Sounds for Emotional Distress, Sleep Music with Rain Sounds & White Noise for Sleep Problems, Relaxing Music to Calm Down, was released in the year 2015. The duration of the song is 4:35. Download Unknown songs online from JioSaavn.