Watch on 123Movies. While lullabies – with their intimate relationship between a mother and her child – are a universal musical genre, the polyphonic singing of lullabies by choirs is very rare. In Georgia (South Caucasus), men’s choirs have been singing lullabies on stage since at least the end of the 19th century, as the movement of national liberation from the Russian empire favored the affirmation of the Georgian cultural uniqueness. Polyphonic cradlesongs performed by men’s, women’s or mixed choirs in the different regional styles have become a new musical genre added to the repertoire of traditional national folklore. Individual as well as choral lullabies are called Nana.