Hi Neal
Im sorry I dont remember the email as im super busy at the moment, but I will try to help you with some of your points...
Q. You click on tracks A-Z but you get genres ?
A. there are so many tracks on your jukebox that they must be grouped by genre, if you just got all your tracks listed alphabeticcally it would take you 10 minutes just to scroll through the tracks starting with the letter 'A'. think about it :-)
Q. Cannot remove sub-genre, there are 2 files 1 video & 1 audio.
A. Dont use 'Music manager', try 'Easy Music Tagger' instead.
Im available on friday if you need remote assistance :-)
Steve