Author: mschmidt
Date: 2019-01-24 05:05
For a physical science perspective on this topic, consider this: Playing the oboe requires a certain velocity of air through a narrow opening, and that velocity can only be achieved with a certain pressure difference between the air in the mouth and the air in the bore of the instrument. If you can play the oboe, your cheek muscles are already strong enough to maintain that pressure in the mouth even if you generate that pressure by contracting the diaphragm at the base of your lungs. If your cheeks weren't strong enough, contraction of the diaphragm would result in your cheeks puffing out instead of the air going through the reed and into the oboe.
The only difference with circular breathing is that you have to maintain constant pressure while actually moving your cheek muscles from a contracted, to a relaxed, and then back to a contracted state.
Mike
Still an Amateur, but not really middle-aged anymore
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The Oboe BBoard
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