Conversation so far:
When did Anton Rubinstein go on his American tour?
At the behest of the Steinway & Sons piano company, Anton Rubinstein toured the United States during the 1872–3 season.
What was the publics response to Anton Rubinstein's American's tour?
How did Rubinstein feel about his American tours?
Rubinstein wrote ...So profound was my dissatisfaction that when several years later I was asked to repeat my American tour, I refused pointblank...“
Was their anything in particular that encouraged Anton Rubinstein's sentiment of dissatisfaction towards touring in America?
Anton Rubinstein stayed in America 239 days, giving 215 concerts—sometimes two and three a day in as many cities.

Question: Did he have any other revelations while touring America?
Self-contained rewrite: Did Anton Rubinstein have any other revelations while touring America besides writing ...So profound was my dissatisfaction that when several years later I was asked to repeat my American tour, I refused pointblank...“?