I'm a Spotify premium subscriber.
I was listening to this track (in highest quality streaming):
It's a beautiful recording rendered unlistenable due to the fluttering sound of the digital watermark Decca (Universal) is using.
I have removed the entire album from my music (a shame) and I realize there are other performances of the same work available, but can't understand why they would ruin a recording like this for the people who are paying for the premium service in order to hear high quality recordings! How much do we have to pay to hear the original unaltered recording? I am afraid to even buy the CD or download now because it may have the same watermark applied.
I would hope Spotify will refuse to stream recordings like this, at least for premium subscribers.