Thanks, in that case I’ll look into it at some point!

Does it need to be an external IP? I was going to look into setting it up soon but if that’s the case I think I’ll just stick with SMB shares or maybe try syncthing

If you genuinely want to do that then try this: (there might be a limit of 30 seconds for a ringtone so you might not be able to use the whole song)

https://www.wikihow.com/Add-Ringtones-to-iTunes

https://www.wikihow.com/Convert-MP3-to-M4R-on-Windows-10