Complete Capital to Begin Capital to lowercase

[ohrenkino]

@Wil

in a tilte

Is it really the tag field TITLE or the filename?
In any case: try an action of the type "Case conversion" for TITLE,
set the option to "Mixed case".
See also the documentation:

Quick Actions and Action Groups

Mp3tag for Mac provides a variety of Actions, which can be used on filenames and tags. The actions can be applied individually via Actions → Quick Actions ⌥⌘ 6 or be grouped into named and reusable Action Groups via Actions → Actions ⌘ 6. Action Groups serve as repeatable workflows in Mp3tag for Mac. When using Quick Actions you can select one of the different available action types from the list. This action will be applied to the selected files and the changes are saved immediately. Tip 1…