How do they judge Marching Band Compititions?

Question:

How do they judge Marching Band Compititions?

Best Answer - Chosen by Asker: There are several judges that are all looking at different things. The categories are:

Music (ensemble & individual)
Visual (ensemble & individual)
General Effect
Auxillary (color guard)
Percussion

There's a scoring system and all the scores from each judge are added together to come up with the total score.