Catchy song, and nice animation though a bit choppy. By that I mean how you chose to loop a LOT of parts over and over (the main offender being the DJ at the turntables). The stills were gorgeous with the green electricity riding through the wires, which you animated beautifully.
I must say, and I'm surprised I'm not seeing this repeated here, your lip syncing - with the exception of right before his transformation - was pretty freakin' spectacular, so great job on that! To give you an example of where the looping can kill that feel though, is when you reverted back to a looping animation with the mic covering his mouth.
I'm not calling you lazy. Far from it. It's just that there seemed to have been two levels of animation in this one thing. From amazing to a rush job in no time flat, and I think that hurts it. That being said, it seems like you did have a deadline, and I hope that on your next animation you have none and do it at your leisure and best. I'd like to see more of your smoothness, and less of your rush-job. :)
5'd for entertainment though!