Frère Jacques with Overtone Singing – Giovanni Bortoluzzi & Walter Mantovani Frère Jacques with Overtone Singing – Giovanni Bortoluzzi & Walter Mantovani Giovanni Bortoluzzi Published on Jun 2, 2019 Share this:TwitterFacebookLike this:Like Loading... Related Author: tranquanghai1944 Ethnomusicologist, composer and vietnamese traditional musician View all posts by tranquanghai1944