Listen to Rock A Bye Baby online. Rock A Bye Baby is an Instrumental language song and is sung by Baby Songs Kids. Rock A Bye Baby, from the album Baby Lullaby Songs: Baby Music, Baby Sleep Aid and Soothing Baby Lullabies, Nursery Rhymes and Baby Songs, was released in the year 2021. The duration of the song is 2:11. Download Instrumental songs online from JioSaavn.