I have music files on both my laptop and my home server, so when I'm at home I use MusicBee to access music on both my local drive and my network drive. I set up my MB with the Library Explorer panel as a folder filter at the top right so I can switch folders quickly:
It works very well in Album and Tracks view as well as Tracks view. As you can see, there are no duplicates on the album as shown.
However, when I use Artists and Album Cover content views, files from my local drive (D:\) will still show up, despite I had filtered it to just the network drive (M:\). As a result, it shows the two files for the same song but from the two different drives:
Thanks for reading the bug report. Hope it helps!