Keith played this Shostakovich for me last night. It definitely was dynamic and lively and a system buster!
But, alas, I did not care for it musically.
i can relate to your musical compass on 'angry' modern classical music. 24 years ago when i got going on a serious dive into hifi, i knew nothing about jazz or classical. maybe had a like of some of the most listenable classical pieces. and viewed most 20th Century classical compositions as not enjoyable or musical to my ear. the term i used was angry. but over time, as i listened to more and more classical, especially vinyl classical, i, little by little, acquired a taste for more complex and introverted ( or whatever the term is) classical compositions.
it is a personal decision as to whether you desire to work at it little by little. my path was from Romance era major compositions, to lots of mild chamber music, to more involved string quartets, to then stuff like Mahler and Stravinsky, and then it seemed like it all opened up to me. that was maybe 5 years ago. now i listen to 60% to 70% classical and mostly 20th century compositions. and it's rare i can't get my mind into it's flow.
if you stick with vinyl only then it's certainly harder to navigate, as there is so much modern classical on digital that is so easy to access.
i'm listening to this Nelsons Shostakovich 24/96 MQA on Tidal right now (and also downloading the 24/96 file) and really like it; but your comments remind me of my mid-90s viewpoint on music like this. i feel it would be sad if i never had developed a taste for this music as it has great depth of feeling and really satisfies. i love how it sounds on my system (and think it would soar on yours too). some of my most 'zen' musical journeys are with new discoveries of modern compositions.