Listen to Smart Baby Music (Baby Sleep) online. Smart Baby Music (Baby Sleep) is an English language song and is sung by Baby Lullaby Academy. Smart Baby Music (Baby Sleep), from the album Baby Lullaby: Relaxing Piano Lullabies and Natural Sleep Aid for Baby Sleep Music, Vol. 2, was released in the year 2016. The duration of the song is 1:43. Download English songs online from JioSaavn.