for those who are advances amadeus pro users... please help

Hi all,
So i'm making my own sound library of sounds that I record. I know that when you go into info, then additional tab, you can add a copyright notice to the file; which is something I want to do for the sounds I record. However, I have more than 300 files and adding the notice to each one individually... Would be a pain. Is there a way I can add a copyright notice to multiple files such as by using the batch processor? Only problem is; I cant find the aditional tab in the batch processor. Would I have to add the notice to all the files i've recorded individually, or is there is a way to do them all at once? Please help.
Best,
Igna

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