Okay try again.

lets say you have the following on your empeg. Prince,U2,prodigy,stone roses, and REM

U2 would be under Rock
prince under Pop
prodigy under Dance
stone roses under Indy
REM also under Rock

that would be a typical genre type playlist set up but aswell as this you can have a A to Z set up as well

With U2 under TUV
Prince, prodigy, REM and stone roses under PRS

Okay now under each artist you will have more playlists for each album.

Now to set this up you upload an playlist to the empeg to where ever you want it like upload fat of the land to prodigy that would be under the dance genre on the top level.

Now if you have copied and pasted the prodigy playlist from dance into PRS in emplode anything you do to the prodigy playlist in dance will be done to the prodigy playlist under PRS.

Is that any clearer

To sum up you can take any track or playlist and copy and paste it around emplode and it stays in one place but has shortcuts placed where ever you paste to