you can try

https://free-mp3-download.net/

I think what they are referring to is this.

https://arstechnica.com/tech-policy/2023/05/judge-wont-force-reddit-to-identify-anonymous-users-who-discussed-piracy/

The concern is that since the operator of the instance is not a huge corporation, it would be easier to achieve. I would bet that it’s possible for an instance operator to have ip addresses of their users. So, it is a legitimate concern.

Maybe more complicated than what you are looking to do, but you could look into install prowlarr, then setting notifications up in that.

https://wiki.servarr.com/prowlarr/settings

Thanks for doing this