I guess the lack of response means everyone has tried the hearing tests and now ponders why they spent all that money on equipment reproducing sound perfectly to 20+ kHz.
Similar audio shenanigans with the supposedly hi-res audiophile music posted by various outfits, e.g. NBR, on YouTube. While the uploaded sources may indeed have been hi-res PCM with sampling rates > 44.1 kHz, YT applied lossy compression to them, so the best you can get is mp4a@192k or opus@160k:
Whats with all these Audiophile YouTube Playlists?
Not that it sounds bad when reproduced even by an older Yamaha receiver that adds multichannel "enhancement" effects, but still not the real deal... If you like jazz trios, try this (there is a series of recordings made in the same setting):
Bob James - Angela (theme from 'Taxi') (4K)