All I know is that whatever he is doing cannot be explained by common practice theory. 
I have only taken theory I so far and I don't have perfect pitch so I'd like you guys to enlighten me on what's going on here. 
I'd also like to know the following: 
Type of harmony, what types of chords are used 
Beat structure or time signature 
Whether it's tonal or something else completely 
Most of all I want to know what sets this apart from other music, unless of course I'm just really stupid and there are lots of people who make songs in this style. 
This song is called "Modernisierungs III" 
http://youtu.be/kMDSH5tckkc 
This song is called "Impromptu furioso" 
http://youtu.be/k-K2dxk7Ljo 
Both are composed by Masashi Hamauzu 
Another question: Am I posting in the wrong section?