Mar10 TRAN QUANG HAI sings AMAZING GRACE with overtones in one breath 60 seconds Posted on March 10, 2017 by haidiphonie Standard TRAN QUANG HAI sings AMAZING GRACE with overtones in one breath 60 seconds Published on Mar 10, 2017 TRAN QUANG HAI sings AMAZING GRACE with overtones in one breath 60 seconds Miami, USA , march 10th 2017 Share this:TwitterFacebookLike this:Like Loading... Related