Open tag panel in new window

[LyricsLover]

That happens during the move process of the Tag Panel and can help to show the target position (inside Mp3tag):

Tag panel moved to top of window

For future readers: This AniGif could help how to use the drag & move function for the Tag Panel inside Mp3tag [TagPanelMoving] (By the way: this technique also works for the Filter - activated with F3) This illustrates @ohrenkinos advice:

But it should be "cleared" or disappear soon after you drop the Tag Panel at the new position.