The library organizer i'm using is called beets.
Here's an example of my library:
~/Music/$albumartist/$album/$track - $title ~/Music/Eminem/The Slim Shady LP/02 - My Name Is.mp3
When importing I want to condition the output based off the genre field, like so:
~/Music/Eminem/_edit/02 - my name is.mp3 ~/Music/_edit/02 - my name is.mp3
So, really what I want is for those tracks with genre field beginning with "_" to be placed directly in the music root folder and not under an album artist subfolder.