Listen to Rock A Bye Baby online. Rock A Bye Baby is an Instrumental language song and is sung by Baby Sleep Academy. Rock A Bye Baby, from the album Baby Sleep Music: Soothing Baby Lullabies For The Best Baby Sleep, Calm Baby Sleep Aid, Calm Baby Lullaby Music, Newborn Sleep Aid, Music For Colicky Baby, Nursery Rhymes and Music For Kids, was released in the year 2020. The duration of the song is 1:56. Download Instrumental songs online from JioSaavn.