I think if you don't use your book, you will express yourself more freely without having to lookg for the notes, which obviously you know it by memory but having more confidence to play without the book during any big or small performance.... in any case... great job : )
Overall, I always enjoy Lang Langs performances, but is the body language all that necessary ? just a thought.... as far the interpretation, not a fan of the intro but then again, it's Lang Lang
I think if you don't use your book, you will express yourself more freely without having to lookg for the notes, which obviously you know it by memory but having more confidence to play without the book during any big or small performance.... in any case... great job : )