The aim of forensic oratory is to teach, to delight, to move.
The voice is a human sound which nothing inanimate can perfectly imitate. It has an authority and an insinuating property which writing lacks. It is not merely so much air, but air modulated and impregnated with life.
Speech sounds cannot be understood, delimited, classified and explained except in the light of the tasks which they perform in language.
Music may be the activity that prepared our pre-human ancestors for speech communication and for the very cognitive, representational flexibility necessary to become humans.
I majored in political science and speech communication.
My language! heavens!I am the best of them that speak this speech. Were I but where 'tis spoken.
From a linguistic point of view, you can't really take much objection to the notion that a show is a show is a show.