Technical voice can support and give a sound to dreams and visions and a part of world and universe while the natural voice supports and give voice to the interpreter, his life, his habits, reactions in life and intuitions. Technical has a training to access to a freedom and reactivity that use the interpreter, through and beyond him and mixing him and the existing outside him.
(For technical I do not intend the declared technical voice, meaning by that an affectation in sound and artifice perceived in singing, this is a techical limit to be solved.)
It is a choice and not a sound, it is a way of being interpreters and artists.