Yo. I listen to his music all day long. Seen him live and met him a bunch of times-- even had dinner with him once. He's an actual genius, rhythm isn't even the half of it. Just regarding musicianship, I've seen him do so many fucked up things to a piano that I can't even begin to get into it.
The fact that a lot of his melodies are based on Armenian folk songs is personally very sweet too, he grew up in a village in Armenia and borrows heavily, especially in his first album A Fable. Nowadays he's just off the chain: