BBC World Service's World Today programme is looking at five different choirs and five different musical communities - all united by a common goal of maintaining or reviving their respective ...

Today's show is about two Georgias. Our featured group, the RUSTAVI CHOIR, are one of the leading exponents of the unique polyphonic styles of the all male choirs in the Caucasian country of Georgia.

The history of recorded music only stretches back a century or so but the polyphonic singing of Georgia was reverberating around the high hills of the Caucasus Mountains closer to a thousand years ago ...