overtone singing accapella by RAVI JI overtone singing accapella by RAVI JI RAVI JI 673 abonnés RAVI sings an overtone singing improvisation at his solo concert at THEATRE CAIXA in CURITIBA in BRAZIL april 2010 Share this:TwitterFacebookLike this:Like Loading... Related Author: tranquanghai1944 Ethnomusicologist, composer and vietnamese traditional musician View all posts by tranquanghai1944