Wrong fontanelli

i correct myself. i CANNOT fix this in my library, except with a BIG amount of work.
if i select all the tracks and edit them, alfonso fontanelli does not appear, so i cannot remove it:
image

so, how to remove him?
i have to go to the single composition


and remove the wrong fontanelli, and individually add the correct composers… composition by composition.
NOTE: the files are tagged with the correct composers

but roon completely ignores them in the composition properties (even though my setting are to merge composers).

this is another example of a general problem in roon regarding composers association i’ve noticed, that i think is a bug: