I see that in your file the data format for a track is: artist’s name / track number / track title.
When I look at my files I have the format: track number / artist’s name / track title.
Maybe it is because of this. Please excuse my deleted earlier posts. I was on the wrong track (Holzweg), because I didn’t see your second screenshot (I am visually disabled).
I think i voiced a request to make this actually usable (by dragging possibility) in 2016…
The Roon team doesn’t seem interested in making the original (useful) features work well, just adding diverse and dubious features to drive advertising and commercializing the product.