Copy/move ARTIST to ALBUMARTIST

[ohrenkino]

See the FAQs on how to create an action:

Actions and batch-operations

Mp3tag provides a variety of actions, which can be applied to filenames and tags. The actions are grouped together into named sets (action groups), which can be applied independently via Alt + 6. If you do not want to create a reusable action group for applying one single action, the Actions (Quick) toolbar button or keyboard shortcut Shift + Alt + 6 can be used. How to create a new action? How to ... change upper/lower case of tag fields or filenames? replace the string “xyz” in tag-fields …

and the example exactly for your question:

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,\\\\)