Conversation so far:
Where was Blind Lemon Jefferson born?
Blind Lemon Jefferson was born near Coutchman, Texas.
Who are Blind Lemon Jefferson's parents?
Blind Lemon Jefferson was born to Alex and Clarissa Jefferson, who were African-American sharecroppers.
Did Blind Lemon Jefferson have any siblings?
Blind Lemon Jefferson had six or seven siblings.
Where did Blind Lemon Jefferson go to school?

Question: What did he do in his life that was significant before he started his music career?
Self-contained rewrite: What did Blind Lemon Jefferson do in life that was significant before Jefferson started a music career?