Audio files can support a number of different tag fields which depend on the file format.
Select the file that you wish to tag.
Update the field that you want to change in the Tag panel.
Select File ▸ Save files to save your changes to the selected file.
When you are asked to Confirm Tag Writing, press Save to save the changes.
You can tag multiple files with the same field by selecting them in the list of files and pressing the Tag selected files with this […] icon in the field that you want to tag. You will need to save these changes to write them to the files.
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