@mirlo I went ahead and forked your project and added unicode support
I'm not really able to test it, lack of time and resources but these 3 changes should add support for it
I also added an issue explaining how to use the webp images for your metadata
There still are a few more metadata issues that need to be resolved, but this is the majority of what I need
https://github.com/funmusicplace/mirlo/pull/1405
https://github.com/funmusicplace/mirlo/issues/1404
I still need ISRC added to the metadata, but that requires updating your release form

Support for unicode characters in titles of tracks and albums by shehackedyou · Pull Request #1405 · funmusicplace/mirlo
I am not able to test this, because I don't really want to setup a server but this provides 3 fixes to the audio processing pipeline that should enable unicode support If you have questions abo...