Listen to Sleep Music In Cribs (Positive Sounds) online. Sleep Music In Cribs (Positive Sounds) is an Unknown language song and is sung by Music Festival Lullabies. Sleep Music In Cribs (Positive Sounds), from the album The Greatest Lullaby Songs for Babies - Must Have Baby Sleep Music, Lullabies for Babies and Newborns Sleep, was released in the year 2014. The duration of the song is 4:02. Download Unknown songs online from JioSaavn.