hi
i have tried this
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%
i set like this

in short to copy the content of composer "moby" to comment
after the action , the composer field disapear and i have no comment
look before and after
before

after
