The Vocal Tract – Vocal Resonance.
Johan Sundberg – “Vocal Tract resonance in singing”.
Manuel Garcia – “Hints on Singing”,1894. pgs 12-13.
Douglas Stanley – “Your Voice” “Applied science and vocal art. Singing and speaking” . 1945. pg 61
William Vennard – “Singing the mechanism and the technic” 1967. pg 82, paragraph 297.
Author: tranquanghai1944
Ethnomusicologist, composer and vietnamese traditional musician View all posts by tranquanghai1944