Conversation so far:
What happened in Brian Wilson's early years and performance?
Brian Wilson grew up in Hawthorne, CA, and had unusually good musical abilities from a young age
Where was Brian Wilson born?
Brian Wilson was born at Centinela Hospital in Inglewood, California
When was Brian Wilson born?
Brian Wilson was born on June 20, 1942
Did Brian Wilson have any siblings?
Brian Wilson has two younger brothers, Dennis and Carl
Did Brian Wilson live with his parents?
Yes, Brian Wilson lived with his parents while growing up
Which high school did Brian Wilson attend?
Brian Wilson attended Hawthorne High School

Question: What was his activity in the school?
Self-contained rewrite: What was Brian Wilson's activity in school?