by Suzanne.s » Sep 20th, '12, 08:27
It's because his skill improved so much since those albums, his brain changed, that made him see things he didn't see/hear before. you can't see it because your skill level is not yet -probably- at his level. the brain of a skilled person is literally different than a normal person.
it's like when you'r learning to draw, you draw something, you think it's perfect, doesn't need improvement. when you come back to it months after a lot practice, you see things you didn't see before, you see that the eyes isn't right or whatever, you think it's awful and can't imagine how you ever thought it was great.
also he's perfectionist.