The official answer is:
"The greyed out tracks just mean that for whatever reason, they are unavailable in your country. This could be due to licensing or the request of the record label or artist. Unfortunately, this is something that Spotify doesn't have control over as it is up to the individual music companies."
https://community.spotify.com/t5/Desktop-Linux-Windows-Web-Player/Greyed-out-songs/td-p/1193163
The official answer is:
"The greyed out tracks just mean that for whatever reason, they are unavailable in your country. This could be due to licensing or the request of the record label or artist. Unfortunately, this is something that Spotify doesn't have control over as it is up to the individual music companies."
https://community.spotify.com/t5/Desktop-Linux-Windows-Web-Player/Greyed-out-songs/td-p/1193163
Thanks a lot
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