I don't get how half you think... He could have asked the owners of the music if he could post it on newgrounds... and I'm sure he isn't getting paid :P
This is not original work. Don't expect high praise for stolen music.
You didn't make this.
As FireballKoopa stated, you should take this down.
A few words from Darth to go with this...
Darth Vader: (About half way through) "We are the Imperials. We are the ones who shall destroy the Rebels. Join us... or be destroyed by us. Trust me... you don't wish to be on our... Dark Side."
I can imagine those people marching on and on...then suddenly started dancing
Please contact me if you would like to use this in a project. We can discuss the details.