TRAN QUANG HAI sings overtones on Reunion Island TRAN QUANG HAI sings overtones on Reunion Island QuangHai Tran Published on Oct 29, 2008 Tran Quang Hai sings Mongolian and Tuvin tunes with overtone singing style at his cousin’s house (my cousin’s name is HO Hai Quang )in La Possession (Reunion Island), 28 October 2008