I et sitat fra Adresseavisen sier Walter Weller: «Johannes Brahms once told Richard Strauss that he was one of the most talented musicans he had come across - then Richard Strauss said the same to me and composed a small line of notes on a piece of paper when I was very young - now I say the same of him (Johannes), as he could pick up his fathers viola from very early on and play whatever he hears».