They are a mixed bag. I have a complete set of Buxtehude's organ works played by Ulrik Spang-Hansen which is quite good. On the other hand I have other sets with uneven recording/performance qualities.
A couple months back I was chasing Louis Vierne's organ works (once master organist for the Notre Dame, Paris). It's definitely hit and miss between good and complete.
Koechlin is a lesser known French composer that suffers similarly. With modern technology we expect to find high quality collections on our curiosity's whim, often to discover how rare high quality recordings actually are, especially digital ones.
I did try out amazon Music HD and spotify as well qobuz.
In my opinion for lossy streaming spotify sounds great. Qobuz for lossless is great too. With amazon mueic i was hugely dissapointed by the sound quality wven for so called HD and UHD Music. It sounded simply terrible, karajan beethoven symphonies in “HD” lacked bass and body, othe music sounded artificial, especially after enabling atmos…
My bewt preferences are of course local files sourced from presto, qobuz, the labels, (SA)CDs