Listen to Goodnight Sweetheart online. Goodnight Sweetheart is an English language song and is sung by Soothing Baby Music Zone. Goodnight Sweetheart, from the album Newborn, Baby, Children: Calm Lullabies – Nature Long Peaceful Dream, Soothing Melodies, Relaxing Sleep Music, Piano Instrumental, was released in the year 2017. The duration of the song is 3:37. Download English songs online from JioSaavn.