MP4-Tags with superfluous null bytes at the end are not shown in MP3TAG

[ohrenkino]

@webshield

Maybe I can even solve this automatically

@webshield

I tried in iTunes manually copying the Album/Künstler into the AlbumPerformer/sort field,

Here is a post from the HowTos how to copy one tag field into another:

Actions and batch-operations

How to copy one field value to another field? Example how to copy the content of the ARTIST field to the ALBUMARTIST field: Create a new action in an existing action group or make a new action group. Action type: Format value Field: ALBUMARTIST Format string: %artist% Note: If you want to copy all possible values of a field (in case you have multiple artist fields), the internal scripting function $meta_sep can be used in the format string, e.g., $meta_sep(artist,\\\\)