The disappearing Tidal albums problem is not limited to MQA issues.
As an example two albums from Amber Rubarth, "Scribbled Folk Symphonies" and "Sessions From The 17th Ward" (previously blue starred as favourites) are no longer available in Tidal UK.

Disappointing, I suppose I will have to buy them!

Are these albums still available on Tidal US?

Hector

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