I keep a few standard tabs open (Music, Now Playing, Auto DJ, Radio, Podcasts) to quickly switch between different functions. When I click a library filter link in the Selected/Playing Track details, it opens the filter in whatever the current tab is. It would be nice to have an option to create a new tab in this case, so that the other tabs keep their current display.
Also, adding a checkbox or something to make other fields into library filter links would be great, so that you can easily find stuff related to the currently selected track. Something like this: