Is it possible to append Extra info to the title of each song in an album at once?

[Zontir]

Hello Florian! Master of Masters.

What I'm trying to do is add a text at the end of each album. For example %album% [hello]
Or whatever I want to add...

When I try to do the above, nothing happens.
Also try this

Actions and batch-operations

How to append the string " xyz" to the content of a tag field? Create a new action in an existing action group and choose Format value as action type. Field specifies the tag field the formatting rule should be applied to. Format string must have the field placeholder for the field selected above and the string which should be appended. Example: If you want to append the string " xyz" to the current value of the comment field: Action type: Format value Field: COMMENT Format string: %com…

but it only works if I don't put the