Georgia (Republic of): Polyphonic Song

Polyphonic singing is the combination of a number of separate but harmonizing melodies (as per thefreedictionary).

Georgia is known for its polyphonic song.

UNESCO identified Georgian polyphonic singing as an Oral and Intangible Masterpiece of Humanity.

The BBC has run several programs on Georgian polyphonic song:

Choirs of the World: Georgian Polyphonic Song

World Routes: World Routes in Georgia