I prefer the stereo with the reduced reverb.Sorry if I misinterpreted some of your comments.
Concerning this last point, it is difficult with this Peggy Lee track. I found two very different versions on Qobuz:
Listen to Fever by Peggy Lee on Qobuz https://open.qobuz.com/track/3561689
Listen to Fever by Peggy Lee on Qobuz https://open.qobuz.com/track/1056575
The first is a stereo version with a wide sound. The second is a mono version. On my speakers, I prefer listening to the mono version. With the stereo version I get a muddier sound (this is due to issues with my system). Her voice is a little softer (drier, less reverb) on the stereo version, but it's also presented further away. There are pros and cons to each.
How can I compare either to "live music"? This is difficult, especially with this track. In both cases I hear "artefacts" in the recording which don't seem to be very natural to me.
Ask the same question about a system video and I'll give you the same answer as before - they are a pale copy of what we hear in our rooms, so the comparison to live music is even more tenuous. Go to a concert, record it with your phone, and listen to it after...
How about you?
Here’s some reading. Skip down to part 21.https://peggyleediscography.com/p/LeeResearchFever.php