Is there a part in the FAQ that describes the "auto" listing of tracks not in playlsts?
There's no FAQ entry for it, and you don't need one. When you see it, it will be self-explanatory.
Just so you don't panic now

, here's how it works:
Your playlists are there, as they always have been. Nothing has changed about your playlists, how you organize them, or how you use them.
But... Playlists are no longer the only thing you see in emplode. Now, in addition to the playlists, there is a whole other set of trees. These trees categorize all the tracks based on their tag data. There is a new Artists tree, a new Genres tree, a new Albums tree, etc. These are totally unrelated to your playlists. They are simply a different way to look at your tag data. Internally, these new trees are affectionately known as the "soup" views if I'm not mistaken.
You could, for example, have put David Bowie's "I'm Afraid of Americans" into your Nine Inch Nails playlist. This is fine, and this would not change. However, if the Artist field for that track says David Bowie, then that track will show up under David Bowie in the new Artists tree.
At the moment, if you've got tracks in your Soup views that haven't been put into a playlist, there's no way to play them from the player's front panel. The player only has an option to play playlists at the current time (so you still need to have at least one playlist for anything you want to listen to).
Eventually, the player will allow you to see and play from the Soup trees via a new menu item. This has not been implemented yet. When it does get implemented, it will make it so that you don't need to create playlists if you don't want to. You will be able to Play By Artist/Play All with zero playlists on the unit. For those that own a Rio Receiver, you have already seen how this works so you know what it will be like.
The only thing this really changes now is: If you delete a track from a playlist, it does not disappear from the player. It's still there in the Soup views. If you want to get rid of the track completely, then delete it from the Soup view and it'll go away for good. Note that this feature now makes the "Unattached Items" folder obsolete. There is no longer an Unattached Items folder visible in Emplode. Everything that would have gone into Unattached items now appears in at least one or more Soup views.
Clear as mud?
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Tony Fabris