Rename a parent directory for multi-disc albums

Rename the folder, which is one level above the folder, which contains the tracks. Action "Format value" ... oder ... Convert "Tag-Tag" Field: _DIRECTORY Formatstring: %_folderpath%'..\..\Folder New\'%_directory%

See also ...
/t/10728/1
/t/16957/1

DD.20160101.1754.CET