Thanks for reaching out about this here in the Community.
Unfortunately, this is something that Spotify doesn't have control over as the availability of music on the platform is determined by the artists and their music label or distributors. For more details on this, it'd be great to take a look at this support site article.
Hope you’ll find this info useful. Let us know if there's anything else we can help with!
Help others find this answer and click "Accept as Solution".
If you appreciate my answer, maybe give me a Like.
"There's more to living than only surviving." - Dexter Holland