Canto armonico(difonico) in Africa – UMNGQOKOLO – Tribù Xhosa Canto armonico(difonico) in Africa – UMNGQOKOLO – Tribù Xhosa Giovanni Bortoluzzi Published on Jan 14, 2017 Share this:TwitterFacebookLike this:Like Loading... Related Author: tranquanghai1944 Ethnomusicologist, composer and vietnamese traditional musician View all posts by tranquanghai1944