A teacher is a verifier, not a transmitter

I was the youngest composition teacher in an Italian conservatory, and I stopped early. At the time I left because other things interested me. Thinking about it again now, with what I have written in the two previous pieces, I notice there was also an unease I could not name: I had the impression I was not teaching anything.

I gave lessons, the students improved, some of them became very good. And yet at the end of the year I could not have pointed to a single thing I had transmitted. There was no body of knowledge that had passed from me to them. Something else had happened, and I had no words for it.

I have them now, and there are three.

One: the model

The first thing a master gives is himself, doing it. He plays a passage, and you hear what it is like when it is done well. He corrects a bar of yours on the page, and you see the gesture.

This is not explanation, it is exposure to a case. And since — as I argued in the previous piece — competence is made of recognized cases, watching somebody do it well is literally the format in which that knowledge travels. You do not need to understand it. You need to see enough of it.

It is why the old workshop system worked without theory: standing beside someone for years is a slow but correct way of loading cases.

Two: the standard

The second is the one most underrated, and in my view the main reason self-teaching does not get you far.

A master tells you how good good is.

On your own, your measure is whatever you can produce. If something comes out decently, that becomes the level of the world, because you have seen nothing else. The master moves that measure — sometimes simply by refusing to accept something that seemed fine to you. That refusal contains no technical information: it contains a measure.

A student with talent and a low standard produces pleasant work forever. And the worst of it is that they do not know, because it is not ability they lack: it is the term of comparison.

Three: correction, which is the real thing

But the third is what makes a teacher irreplaceable, and the first two could almost be replaced by recordings and records.

The master sees what you cannot see while you are doing it.

While you play you are inside the performance. Your attention is busy executing, and — as I wrote in the very first piece of all this — the moment you shift it to observing yourself, you jam. You cannot simultaneously be the one acting and the one judging the action: this is not a character weakness, it is a structural limit of operating in real time.

So you need somebody outside. Not to tell you what to do: to tell you whether what you did worked.

Here is the word that, for me, holds the whole argument together. The teacher is not a transmitter of content, they are an external verifier — the thing that tells you whether a solution worked, during a period of your life in which your internal verifier does not yet exist.

Which lets you restate what learning a trade is: not accumulating information, but building your own verifier. You become good the day you can feel on your own that something is off, and feel it before you have finished. Until that day, you need somebody to lend you that judgement.

Which explains something that looks strange: why the relationship with a master ends, and has to end. It does not end because you have learned everything they knew. It ends when the verifier has become yours, and from that point their judgement, however authoritative, starts to be one voice too many.

Why teaching at a distance works badly

From this follows a practical consequence that explains something we have all observed without knowing why.

Recorded lessons and online courses work well for the first element — the model — and reasonably for the second, the standard. On those, a video can do almost as much as a person: you can watch somebody excellent play, and you can see where the bar is.

On the third they do not work at all. You can record an explanation, you cannot record an eye. Correction is by definition a response to what you did in that moment, and it does not exist in advance.

That is why you can learn a great deal from videos and still stay at a level that will not shift: you have loaded cases and raised your standard, but you have nobody telling you which of your solutions worked. You know how it should be, and you do not know whether yours is that.

One problem remains, and it is the one I opened this whole series with. If the procedure is not teachable because it is compiled, and if the teacher does not transmit it because they are doing something else, then the memorization method I published two articles ago should not exist.

And yet it does. The last piece is about how you get there — and about why some people will not like it.