Worth noting that lidarr is broken right now. It relies on a metadata server provided by the lidarr org (like that's not going to blow up in our faces) and that metadata server is currently down. It's been like that for I think 6 months?
https://github.com/Lidarr/Lidarr/issues/5498
>If you're starting a NEW lidarr library, you should wait. It's not ready for that.