I know that this Mod is just being translated, but for suggestion sake I feel that For Cao Cao, And Liu Bei should have there own OST somewhere in the game. It would add more to the grandness of the game.
Example Liu Bei's fraction
http://www.youtube.com/watch?v=G9Owb6vKS8A
Cao Cao Fraction
When Cao Cao's army marches forth to crush their enemy
http://www.youtube.com/watch?v=er5GnF0t9nI
this can be used after a a victory on the campaign map or right after the ingame battle has ended and displays the summary.
http://www.youtube.com/watch?v=-UsosxnQcKw ( reminding us that victory is sweet, but at what cost?) it kind of gives us a self reflecting view on war don't you think?