Using negativity positively

Sorry for the lapse of time: the days are filled with preparation for a recording project: After more than 40 years of fascination with the Brahms C Major Piano Trio, Op. 87 we are recording it live tomorrow. How did I first realize that the piece was more mysterious than it looks on paper? Because it felt uncomfortable: always overplayed, never really in tune with itself. Negative feelings are so often the key to real lasting insight.