Often times, music is used to evoke an emotion and it's become a cliche, so I don't want to do that, and actually what I do, is that emotional intensity that has developed throughout the film, I allow it to get released by having that music at the end with the credits.
Just because you know umpteen billion scales, it doesn't mean you have to use them all in a solo.
One of the processes of your life is to constantly break down that inferiority, to constantly reaffirm that I Am Somebody.