Georgian and Corsican Polyphony. Similarity.

This how Georgian and Corsican Polyphonies are similar. Pre-Indoeuropean peoples have a lot in common. If Georgian and Basque languages have similar words and grammatic bonds, then here we see Georgian and Corsican polyphony sound similar to each other. As of Corsican language being Indoeuropean then it never means that Corsicans themselves are Indoeuropeans, since the tribe of Corsos , their ancestors have non-Indoeuropean roots.