ID3 tags allow you to view different information about a song and it is primarily used by MP3 files exclusively. You can simply view or input your own values in the text fields of these corresponding metadata information. It brings up a simple pop up where you can view all the information like MP3 song title, artist, album, date, genre, track number, now playing, publisher, copyright, encoded by, comments and album art. The quickest way to view/edit it is by using the CTRL + I shortcut key on your PC or by navigating to Tools > Media Information.
If you want to view and edit ID3 audio or MP3 tags in VLC Media Player, then it has been really made simple.