Fluteland.com Flute Message Board

No, I am not referring to multiphonics, although flute buzzing is also used as a technique to enhance the flute tone and breath control. It has been explained to me as being similar to the buzzing a trumpet player must do in order to produce a tone. I've also heard it referred to as "spit buzzing". ...

I'm interested in learning the buzzing technique advocated by Keith Underwood. Does anyone have insight on how it is accomplished?