Conversation so far:
When was Sam Cooke born?
01/22/1931
Did Sam Cooke have any siblings?
Sam Cooke was the fifth of eight children.
Where did Sam Cooke go to college?
How did Sam Cooke get his career started?
Sam Cooke began his career with his siblings in a group called the Singing Children when he was six years old.

Question: Did he join any other groups?
Self-contained rewrite: Did Sam Cooke join any other groups besides the Singing Children?