MQA and classical music

While I still had an active Tidal subscription a few weeks ago I was able to A/B Tidal's MQA vs Qobuz's 24/96 on a great new recording of Diana Tishchenko "Strangers in Paradise." About 2:54 into the 1st piece the difference can be heard when concentrating on the piano part. The HiRes sounds clean and sharp while the MQA becomes "watery" as if a slight pedal was used. This reminded me about an earlier experience with mp3, which I had used to rip some piano music to conserve disk space a few years back. I had no idea at the time that a lossy format like mp3 would affect piano music negatively. I have since re-ripped all my piano CDs to FLAC. 5 times more space taken, but hey, I happen to really care about sonic nuances. 
The recent experience reminded me that MQA, like mp3, is lossy. Quoting from TechRadar: "In hi-res competitor format DSD is 306MB while the MQA file is just 40MB. This compares with 73MB for the 24-bit/96kHz FLAC file and 142MB for the 24-bit/192kHz version."  Thus MQA file size is just about 54% of HiRes FLAC size; there is no going around information theory: less information is less information. And for some music, definitely not all, it can be heard.
Initially, when I started comparing streaming services in October 2019, I thought MQA was some great new music format; "Master Quality Authenticated" is a great name! It invokes associations with master tapes and mastering, and "authenticated" I took to mean something like "guaranteed." That's an effectively misleading naming. Wikipedia has a good article on MQA. I can now understand why some DAC companies like Chord, RME, Schiit, and likely more, will not support MQA. More popular brands like Bluesound and Fiio, do support MQA, as there is popular demand for native decoding of the format. If we spend thousands on dacs/amps/speakers/cables and discuss the tiniest sonic nuances that upgrades of them make, then digital format differences should not be overlooked either.
Your experience is worse than mine.

I found MQA not better than any other format, and found I preferred FLAC with fast rolloff filters to the apodizing filter demanded by MQA. Yes, it did make sounds like cymbals sound soft and squishy. 
Not even sure if it was the filter or MQA, but I found little benefit.
I did A-B listening also and found I could hear a difference between MQA and hi-res flac files. I preferred the FLAC also. YMMV.
I would like to stress the fact that I heard the lossy nature of MQA only when critically comparing a modern classical recording involving the piano, an instrument particularly sensitive to reproduction imperfections. When listening to rock or electronic music I didn't hear any problems w/ MQA. It's like a lower resolution photo with some HDR, resulting in the ultimately pleasing experience. Good mp3 doesn't sound all that bad either... Lossy formats are good for the streaming services in lowering their bandwidth costs. What annoys me is how misleading the name "Master Quality" is -- for a lossy format.  
MQA is all about a marketing push by the riaa and associated interests, re the idea of control of the data. TOTAL control of the data and the erasure/end of all hardcopy.

MQA is all about the embedded DRM, and nothing else. audio signals use trivial amounts of internet bandwidth compared to video or any other signal.

it is about keeping everyone out in the cold, on the use or storage of the music and playback at a later date. It’s about making you pay for every single breath of audio signal you may have. Forever.  

With a degraded low quality signal. it is about non access of high quality signals.
It’s about corporate fascist slavery of the listener. Forever. Nothing else.

Stay away from MQA. It’s an anti-humanity corporate parasite.

MQA is all about a marketing push by the riaa"

This is "news to me" how is the RIAA involved please explain.
If MQA had worked for me I'd have been an avid supporter. The thing is, my ears told me otherwise.  In any case, I'm getting sick of the slug fest it's currently generating. If you like MQA, go for it.
My audio muses inform me that it is nothing more than hype, an alternative compression format that yields no sonic benefits. Why go there? 
Are we still not understanding that MQA does not include copy protection?

It also doesn't sound very good.
I have fast internet.  I ran both TIDAL and Qobuz for about 6 months.  I just canceled TIDAL.  TIDAL was $20/month.  Qobuz $15/month.  
I have tried players from both.  I use Roon and Audirvan players now from my PC.  The payers all sound a wee bit different playing the same tracks.  
Some tracks TIDAL shaped the music in a more exciting way.  I later found players and settings could do the same.  
I no just use downloaded FLAC, DSD and mostly Qobuz.  
I did a Tidal trial and sampled Classical pieces.  I was limited to my Bluesound Node2 for MQA, as my better DACs did not have MQA capability.  I couldn’t notice any difference.  Perhaps a better DAC would revealed something slight improvement for MQA, but given the ballyhoo that accompanied its rollout, I would have expected to hear some clear cut advance, and it wasn’t there.
  I canceled my TAS subscription and no longer read anything posted by Steven Stone.  This people have lost all credibility for me
For me, the MQA adaptive filtering is what I think most "kills" the music. I notice it most on the decay of "sharp" notes, drums, some piano, etc.  Given the typical recording chain today is 40+KHz (not 20KHz), and that most recordings are close microphoned, I think their claims w.r.t. "smearing" is highly questionable. Even with older material, you don't know the recording chain, so any "filtering" is a guess.

Maybe one day there will be sophisticated AI algorithms that can sift through music, pick out specific instruments, and "fix" whatever needs to be fixed  (if it does), but MQA, even though adaptive, is brute force, and appears always on.

I do think the initiative to pick the best masters and ensure some sort of pedigree for them is good, but recording engineers who mastered the record have said flat out they were not involved in the approval of the MQA master, so what does that even mean?
audiozenology" the MQA adaptive filtering is what I think most "kills" the music. I notice it most on the decay of "sharp" notes, drums, some piano, etc

Have you reached this conclusion using the same Music Reproduction System that you state does not reveal differences in power cables? Or is this something you believe based solely on "intuition"?
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Do you have anything to add to this conversation, or are you just here to Troll me again and sideline and hijack the conversation?"

I will do neither of you're proposed actions and will instead alert the moderators to you're silliness hear.
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I wonder if there is a relationship between the set of persons who don’t hear improvements in MQA and the set of persons whose ears grew up hearing digitally encoded recordings?  I am 62 and my ears grew up on live music and music recorded on analog tape machines and pressed into vinyl. One of the other posters above referred to the sound of a cymbal.  At the price I am willing to pay for a DAC I have not heard a DAC that does not produce a cymbal sound not found in nature.  It is possible that crunchy sound is preferred by some listeners but to me it is not what I hear when I go to the symphony hall.  Whether MQA would be better if it were uncompressed, interesting question. What I like about it comes, I assume, from the pre-ringing correction, and for me it makes all the difference. My two cents.