An interesting question. Is this much different than going to a concert of Mahler? What are you hearing or listening for? Mahler? The CSO, NY Phil? The particular conductor leading the orchestra in performance- or recording? I suggest we are all striving to get as “close to the music” (whatever that means) in all our critical listening- live or recorded.
As a classically trained musician, sometimes “listening to the singer/pianist/orchestra/conductor” has its place in my enjoyment (or not!) of a performance/recording. I think we have it within ourselves to determine “what we are listening for” both in person and on recording. Each session may differ. Sometimes I want to hear “x’s” Mahler 4, whether orchestral, conductor or singer. Sometimes the piece itself.
Sometimes- I admit I just want to find which Verdi Requiem recording has the best “b_lls to the wall” Dies Irae. Each approach to listening has its place and purpose in our audio enjoyment.
After checking out the opening go to 09.00 for the brass choir.
https://youtu.be/60mRj_9Rybc?si=vwMJar5ZOocq6-m_