45th ICTM WORLD CONFERENCE in BANGKOK, THAILAND, from 11-17 July 2019 TRAN QUANG HAI’s workshop of the overtone singing, saturday 13 july 2019, from 17:00 – 18:30 , room BRK 614
This clip was filmed by Phạm Minh Hương
Introduction of Overtone technique by Tran Quang Hai (the first 10 minutes of the beginging of the workshop)