c)   I listen to a variation on a theme and say, “I don't see yet how this is a variation of the theme, but I see a certain similarity.” What happened was that at certain points of
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the variation, at certain turning points of the key, I had an experience of “knowing where I was in the theme”. And this experiences might again have consisted in imagining certain figures of the theme, or in seeing them written before my mind or in actually pointing to them in the score, etc.