They say Mahler has been possessed by the idea of fear and terror for death throughout his life. Most of his works seem to be intended to solve that inner motivation with aesthetics of music. We could hear his struggle in the funeral march in his works as this 1st movement of his Nr 5 Symphony. Even if it is fragile, it is still beautiful and moving our mind deeply. Listening to his Nr 9, he seemed to reach any definite solution to the question in the end of his life. I still would like to ask him what he has thought of the question at the last moment of his life.