The music of language is contained in the system of sounds which the human mouth is able to sing or say.
Spoken language has a body and a breath to it.
We put words together into sentences according to the rules of syntax, what most people mean by the word grammar . Syntax is the primary level of creativity in speaking and writing because from those few patterns of phrase and sentence an infinite number of sentences can be generated. Each unit of language generally has a form that governs the whole. This piece of writing is a web page, a piece of instruction in expository prose. Just a minute ago, I was interrupted by a telephone conversation, a special form of speaking dependent on the technology and governed by certain expectations of form and content.