Not a review, just some personal highlights:

The new music is good and stands up to the insanely high quality of the original tracks. I'd be lying if I said I always preferred the new tracks but I'd rather it be this way than if there was no new music.
The way the Noise interacts with various stage gimmicks is incredible. Pizza Tower has always been masterful at conveying characters non-verbally and this update just continues doing that perfectly.
The Noise feels a bit more advanced in comparison to Peppino. It takes a bit to learn him but mastering him allows for things you couldn't have dreamt of before and it's just great. Perfect for being a reward for clearing the game as Peppino.

It's insane to think that this game has not one, but two of the best playing characters in its genre now. I couldn't kiss its ass enough even if I tried