Could one exclude special files, e.g. 0 byte files? Or files with special extensions?
And could one exclude tags by music files. So only the exact audio data would be compared (without the tags):

So and that will show only the folders with same content (not the other folders). But how could I achieve that then (for the comparison for audio files which are the most files to be compared), respectively how could one find autio files then with different tags, but same audio content:Use Regular Mode, with the 'Same Content' setting.
And could one exclude tags by music files. So only the exact audio data would be compared (without the tags):