I came across this thread in my search for how to expand on the predetermined list of genres. Unfortunately, the issue didn't really get resolved for this particular case with a version update. While you can indeed now add custom values for most fields, the standard Genre field has this option greye…

As you do not tell us which MP3tag version you use, it could be that you still have to set the Genres in the Options. See [image] Mp3tag Development Build Status Development Date: 2023-12-22 Version: 3.23c Status: Beta Download: 32-bit mp3tagv323csetup.exe 64-bit…

Uncheck the prefer to use values from list option to see and modify the list.

Sorry, my bad. Yeah, I was using 3.19, updating to b fixed it. Thank you very much for the quick reply.

Customizing user-defined genre tags, round 2

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ohrenkino March 19, 2023, 12:57pm 3

As you do not tell us which MP3tag version you use, it could be that you still have to set the Genres in the Options.
See

and there