Over the last few years I have noticed a marked increase in the frequency of a certain feature of memory. I'll be playing a piece and quite suddenly, when I reach, let us say, bar X, I have imposed on me incredible and useless detail of events which may have taken place the last time I reached bar X. Tonight, for instance, I was slowly playing the right hand of Winter Wind on my silent practice clavier (my piano is having its action rebuilt). When I reached a certain place I suddenly became aware of a sentence my wife was speaking in the background during bar X a previous time I played it some days ago.
The trouble is that it's getting worse, and spontaneous associations are springing up for much finer detail such as fragments of improvisation. I'll be playing a certain change or rhythm and bang ! Suddenly up comes the smell of the bacon and eggs cooking the previous time I played that thing last Friday fortnight, last month or even last Christmas.
I'm not talking about how certain music reminds me of certain personal events in my life, trivial or otherwise - we all experience that - this is something entirely spontaneous at an unconscious level. I wish I could harness it to some useful purpose other than this vivid and trivial, but random, associative memory but I cannot think how.
Is this a normal thing, do you think ? It's only happened for the last couple of years, I would certainly have noticed it earlier.