Listen to Rock A Bye Baby online. Rock A Bye Baby is an English language song and is sung by Shweta, Lalita, Sitara, Ekta, Sreeranjini, Sunainaa and Vasudha. Rock A Bye Baby, from the album Nursery Rhymes, was released in the year 2009. The duration of the song is 1:41. Download English songs online from JioSaavn.