Cheat to fight Lou in expert mode with Easy mode notes. After getting to the end of the game in expert mode with nothing left to do but fight Lou, Start the battle with him and shortly after the first riffs, Strum without holding any frets until you lose, At the game over screen go to "Tutorial". After that, Pick the Tutorial for Guitar Battle, And play through it until you get the message "Lesson Complete". As soon as the next Fret-Board appears. Pause it and go to exit, This will take you back to the lesson menu, From there hit the red button which will take you back to the list of songs, the fight with Lou will be highlighted, Pick the song and your done! Lou's note chart and player will be set to Easy mode! Note: Your note chart will stay in expert mode, but his will be changed to Easy.