This tutorial can be useful in case you need to fill in an artist field yet it is not required.

1. Go to to the folder with all your music/karaoke in it.
2. Sort the view by File type
3. Highlight all the MP3 files you would like to modify
4. Right click on one of the highlighted files
5. Select Properties.
6. A new window will appear.
7. Find and click on the "Summary" tab
8. Click the "Advanced" button
9. Locate and find the Artist row and fill in a value for ALL the selected songs
   *Most of the time you'll use a dummy as "none"
   *If it states multiple values, that means that some might already have the artist.
10. Click Apply
11. Click Ok
12. Done.