Conversation so far:
What was Rubinstein's family like?
Rubinstein was born to Jewish parents.
Where did he go to school?
CANNOTANSWER.
What were his early experiences with music?
His mother, a competent musician, began giving him piano lessons at five, until the teacher Alexander Villoing heard and accepted Rubinstein as a non-paying student.

Question: Did he have other teachers?
Self-contained rewrite: Besides Alexander Villoing, did Anton Rubinstein have other teachers?