She never uses sheet music, yet plays like this:
Wouldn't matter anyway, as her eyes were closed for the entire performance!
While I do find it impressive she doesn't have sheet music, if you think about it, no other genre uses sheet music during a performance. We've all been to concerts, and not a single one of the musicians were following sheet music. I am puzzled why orchestral players can't remember how to play the song. They're at the top of their craft, and still need a conductor to tell them how to play, and written papers to tell them which notes to play. I never understood that.