Is it? I’ve just tried and it doesn’t:

❯ yt-dlp "https://open.spotify.com/intl-fr/album/2NsGk9oBBBMfblYdLcjYhu"
[generic] Extracting URL: https://open.spotify.com/intl-fr/album/2NsGk9oBBBMfblYdLcjYhu
[generic] 2NsGk9oBBBMfblYdLcjYhu?si=5c3b12c1e70948a6: Downloading webpage
[redirect] Following redirect to https://open.spotify.com/album/2NsGk9oBBBMfblYdLcjYhu
[DRM] Extracting URL: https://open.spotify.com/album/2NsGk9oBBBMfblYdLcjYhu
ERROR: [DRM] The requested site is known to use DRM protection. It will NOT be supported.
       Please DO NOT open an issue, unless you have evidence that the video is not DRM protected

Radicale is indeed excellent. Light and safe. I use it for an association!

You mean… like this ? https://youtu.be/t-7mQhSZRgM