How do I configure a Smart Playlist to show songs not in other Playlists? I have a ton of songs that I classify in named playlists, and would like to have an easier way of knowing if a song has been previously classified or not. The thought occurred to me to make a Smart Playlist that will show me songs that meet the following requirements:


Media Type must be Music (excludes Music Videos, Movies, TV Shows, Books, Podcasts, etc.)
Must not exist in any playlist within the parent Classification folder.
Must not exist in the "Unclassifiable" folder.


I can't get the Smart Playlist to populate with all remaining songs:



Is it possible to create a Smart Playlist showing all songs not in another playlist?
It turns out that the screenshot, or at least the correct version, is sufficient:



No doubt in part to my tens of thousands of songs, and only a few hundreds currently classified, the playlist took sometime to populate. After reading Kyle's comment, I looked at the playlist and nearly my whole library is now present.

So the answer to this problem can only logically be:

Patience