I came across this recently. Some gems:
I am often heard to say: “stay in the center of your voice”. Sometimes people take that to mean that there is only one note that is perfect. In fact it is not that at all. The center of your voice is the place where there is an unconstrained open passage from crotch to mouth where the full richness of every emotion has free and easy passage. Thus the voice gets to carry all the emotional messiness of the character in each and every word.
Mostly what happens though is a constraint in the throat that strips emotional connotations so that the artist begins to push harder emotionally and vocally which further thins the emotional voice.
For me fecundity is rich, ripe, an oak log rotting in a forest that is home to moss and mushrooms. It is amber and alto and soprano ribbons of autumnal honey sunlight. It is a place where life and death are in a slow motion dance. It is the primeval, primordial home (center) of our voice. And so the voice must become the conduit of that emotional fecundity.
Sounds good, right?