I don't think the vast amount are re-masters. When I search through Spotify, most of it seems to be the original releases. I play albums from years ago and also their re-masters. I've listened to Dire Straits Brothers in Arms from the 80s and it sounds fantastic. I've also listened to the 20 year anniversary version and the 1996 re-master and that does sound better, with a tighter sound to the guitars and a little more light on the synths and panning effects etc. There seems to be a very dismissive and negative generalisation from non-streaming music fans and it doesn't and won't change my appreciation of streaming. The majority of music I play has been released in the last 15 years and it's only available online, so it's not possible to compare with any physical format. These digital files are high quality at 24 bit possibly and will probably never find their way to a CD or vinyl press. The genres of music I listen to use the latest recording and production techniques and I very much doubt the effort put into these albums would be allowed to suffer through lack of attention, or carelessness. I've said it before, but I think many on here listen to quite old albums of dubious quality and are surprised perhaps when the lack of quality is revealed on newer, high resolution and very revealing media, such as CD or the latest streaming platorms. I think the difference in sound quality between the originals and the re-masters and the difference between online and CD versions, is less than the difference between vinyl and CD. I love CD, even re-masters, but all this music is online now. Spotify has so many versions of the same album and from my experience, there doesn't appear to be any lack of quality. Again, the nitpicking over subtle differences in sound quality does seem odd, when you consider an online or CD version will always sound better than vinyl, using the same master. Add the convenience of streaming and the huge choice, what's not to like?