TRAN QUANG HAI sings “AMAZING GRACE” with overtones in one breath

TRAN QUANG HAI sings “AMAZING GRACE” with overtones in one breath

Published on Aug 27, 2009

Tran Quang Hai sings “AMAZING GRACE” with overtones in one breath . It is rather difficult because the tempo is slow and the performer has to control the pitch of different overtones. Filmed by Bach Yen, Thursday August 27, 2009 in Limeil Brevannes, France