which Z. played at the first rehearsal as:—



When Rubinstein asked him why he did not play the notes as they were written, he replied that he could do so, but it would be very bad for his lips, because they lay too high. The French oboe players, he continued, could bring out these high notes better, because they had different and finer mouthpieces; but with these mouthpieces the middle and lower notes suffered.

“(4) Difficult rhythms which make the execution irregular. The absence, too, of what the Germans call “Anhaltspunkt” (punctuation)—the absence of notes on the strong beats of the bar. Take this rhythm in the Scherzo for instance:—