The AudioTron will not display the custom Genre if there is an "(" in the
Genre. The Left Parenthesis is the only character the Atron will not accept.
This character will cause the Genre to be blank in the Atron display even when
using ID3v2 tagging. This issue will be addressed in a future firmware update.
The workaround is not to use the "(" character when making a customized Genre.
ID3v1.1 will not allow you to enter a custom Genre in the field. If you want
to add a custom Genre (one that is not in the default list) you must use ID3v2
or higher. Tag & Rename (www.softpoint.com) is a great utility for Tagging.
You can choose ID3v2 from its interface.