Thank you for the idea!

AcousticID only match the first track name (it's the only one without japanese characters). Using ID3 it's much more better, but when I click on "Edit Match", the window is empty :'(

Thank you for your answer Rednoah! I know a software call Beets (https://beets.io/) that can do something similar to what I would like to do with FileBot. Let's take the example with the original soundtrack of Cardcaptor Sakura. I have the Japanese album of this soundtrack and all titles are in ...

Hello everyone! I've purchased a FileBot's license to accurately translate some of my musics files from Japanese to English as most of the time, there is an equivalent English album for a Japanese released one. But I just saw that the "Language" field is greyed out when we use "ID3 Tags" or ...