Conversation so far:
When did Rubinstein go on Anton Rubinstein's American tour?
At the behest of the Steinway & Sons piano company, Rubinstein toured the United States during the 1872-3 season.

Question: What was the publics response to the tour?
Self-contained rewrite: What was the publics response to Anton Rubinstein's 1872-3 United States tour?