I changed it to False.
Now retrieving the instruments variable also doesn’t work.
But it also is the time of the week that my brain is as reliable as the friend of the cousin of the half-brother of your uncle’s neighbour.
nightynight
edit:
I gave it another try. I still don’t see any difference when using the edited True > False version.
With ‘Create extra artist metadata’ unchecked, CE does nothing, and instruments variables are not retrieved either.
With ‘Create extra artist metadata’ checked, instruments variables are retrieved, but CE will also alter the performers as shown in my earlier screenshot.