Maybe I don't quite understand what you're saying. I grant that the live music experience and the listening room experience are quite different. I agree the spontaneity of a live performance may be surprising as you don't know exactly what might happen.
If I play a record on my stereo, I realize I am playing a record on my stereo. If I play a record I have heard before, I probably do know how it will sound -- which may be the reason I am playing it.
Seems to me that one of the virtues of having a stereo is the ability to repeat the enjoyment of listening to music that I like.
However, If I play a record I've never heard before how do I know how it will sound? I may be quite surprised. While I very much enjoy going to live concerts, I'm not sure I can parse the enjoyment of sheer discovery more with one or the other.
Agree completely with this Tim… even if you stick to just the romantic and modern 19th and 20th century classical repertoire and were relatively format agnostic you could listen for a lifetime and never repeat a single recorded performance… there’s a lifetime of discovery to be had in most areas of recorded music history.
But there are clearly going to be specific recordings that will keep giving and reward from multiple listening as benchmark pieces that you will want to return to time and time again over a lifetime.
Not all live performances are likely to be all discovery either. I’m a big fan of Igor Levit who was mentioned in the Shostakovich piano recital… in his specialist areas within the repertoire he has performed some of the most extraordinary recorded performances available anywhere, anytime.
You could reliably go to a Igor Levit live recital of Bach keyboard or late Beethoven piano music and not be surprised if you experience something utterly transcendent… he stands out as one of the great benchmark interpreters in this particular piano music.
But as a piano virtuoso at the highest level you could go to a live peformance of virtually any piano music with Levit and if it’s piano music that you are familiar with his recorded performances could likely seem very reliably familiar and accomplished.
As a truly great pianist and like many/most pianists though he has an individual approach that will work better for some of the repertoire and then may not be equally ideal in other composers works.
That said he is very much my kind of pianist… his readings are so studied, he brings quite extraordinary expressiveness as well as technique. He exhibits a slight coolness though and captured within an extraordinary sense of repose… and while it can be highly personal performance he can also render often music as quite strikingly spiritual performance… he chooses musical arcs that almost always seem perfect to me, not just fabulous but more quite perfect.
So while I would still go to experience him live with any program I wouldn’t be surprised if in a performance of Shostakovich he might prove very very accomplished rather than be a revelatory Shostakovich benchmark. His Shostakovich 24 preludes is exactly the sort of performance I’d listen to once and be quite transfixed by but then not return to again and I am a complete Shosty junkie. His playing approach just has a slight roundness in its restraint that holds back from the kind of angular intensity that I look to as a burning strength in Shostakovich.
So I expect Igor Levit might not to be an ideal fit for Shosty for exactly the same qualities that mark him as such a truly extraordinary Bach and mid to late Beethoven or Mendelssohn interpreter… I’d very much look to him to be a natural fit for Prokofiev or Scarlatti as well.
He isn’t to me at this stage a perfect fit for Brahms either but we Brahms tragics live in hope… also not sure how he’d reliably fare with Schubert either, but I’ll always give him a shot at anything he chooses to go for, because he is shaping up as one of the pianistic goats.
So just saying not every live performance is going to be a surprise. When performers do cycles of composers the performance can become like unfolding sequenced chapters in a book rather than just standalone stories. If you know the music and the performer there is room for the expected as well as opportunity to be surprised in both live music and in recorded performances.