Conductors must give unmistakable and suggestive signals to the orchestra - not choreography to the audience.

The two remained friends after Szell left the Royal Court Opera in 1919; even after World War II when Szell had settled in the United States Strauss kept track of how his protégé was doing. By the time of his death he was credited to quote the critic Donal Henahan with having built it into "what many critics regarded as the world's keenest symphonic instrument. He made them so nervous that one by one they all stumbled.

George Szell (pron. : /ˈsɛl/; June 7 1897 – July 30 1970) originally György Széll György Endre Szél or Georg Szell was a Hungarian-born American conductor and composer. ".