peter, though it pains me to say it, you overstate Bach's abilities. Don't get me wrong. You'll not find a bigger Bach fan.
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So I cheer your enthusiasm!
So, regarding the mind... I believe I'm with Z, although I don't know how much our thinking might differ. Truth is, I'm not sure how much I agree or disagree with any of you!

(Except you, Wos. LOL!

)
Vision is a certain way of perceiving energy within a certain frequency range. Different colors are our way of perceiving different frequencies within this spectrum. And what do we perceive all this with? Our eyes.
I do not believe there is a similar relationship between consciousness and mind. I believe they are the same thing. At least they are the same thing when a mind is conscious. Not all minds are. Some creatures can't be said to have a mind at all. A couple of cells that function as a brain do not give rise to a mind. Enough cells (I would not even try to guess how many, or exactly what they do), and there is a very basic mind. More, and we have, say, mouse's brain. More, and we have a dog's brain, which is more aware of more things. More, and a dolphin. At the top, we have humans. We could chart out the spectrum, from most rudimentary mind to ours, with different levels of awareness, and self-awareness, between the poles.
Now, we could try to say the brain is to mind and/or consciousness as the eye is to vision. But it's an entirely different thing, for two reasons. First, vision/eye are not their own entity. They are part of the brain and the mind/consciousness. (Or, when there
isn't a mind/consciousness - and I assume there are critters with too few brain cells to have what anybody would call mind/consciousness that have at least the beginnings of vision - they are part of a purely physical body/system.) Without the mind (or purely physical system), there is no vision.
Second, and more important, vision is the result of very specific, clearly understood physical/chemical events that take place within the eye.
We know what vision is. How does the mind work? We know a lot about various physical/chemical events that are parts of the mind. Things like memory storage, and where in the brain various functions are performed.
* But that's all physical/chemical/bioelectric processes. Where is our awareness? It's not at any specific spot. It's not a function of this or that. As Hashi said, it's synergy. Undefinable synergy. All of these purely, observable, explainable physical/chemical things somehow combine in a way that gives rise to awareness, and even self-awareness. I wouldn't be surprised if we come to understand it to a much greater degree than we now do. But I also wouldn't be surprised if we never figure it out. "If the human brain were so simple that we could understand it, we would be so simple that we couldn't." — Emerson M. Pugh (I first saw that quote in
Neverness. Now also in
Blindsight.)
* I don't know these things! From
www.human-memory.net/processes_storage.html
Since the early neurological work of Karl Lashley and Wilder Penfield in the 1950s and 1960s, it has become clear that long-term memories are not stored in just one part of the brain, but are widely distributed throughout the cortex. After consolidation, long-term memories are stored throughout the brain as groups of neurons that are primed to fire together in the same pattern that created the original experience, and each component of a memory is stored in the brain area that initiated it (e.g. groups of neurons in the visual cortex store a sight, neurons in the amygdala store the associated emotion, etc). Indeed, it seems that they may even be encoded redundantly, several times, in various parts of the cortex, so that, if one engram (or memory trace) is wiped out, there are duplicates, or alternative pathways, elsewhere, through which the memory may still be retrieved.
HOW are "neurons primed to fire together"??? How the hell does that work!!