Sometimes when you write a thing you think, 'Oh, this is...

Sometimes when you write a thing you think, 'Oh, this is good', and it's not a modesty or an immodesty thing, you just... it's just the same with anything; when you write a piece you just figure, 'Oh yeah, I'm on a roll here. This is good; I'm getting the hang of this'. Some pieces are better than others.