Conversation so far:
When did Son House started performing the blues?
In 1927, at the age of 25.
Where was Son House's first performance?
In a hamlet south of Clarksdale.
Who has Son House performed with?
Charley Patton invited Son House to be a regular musical partner with him and Willie Brown. He was accompanied by Buddy Guy on an appearance on the show Camera Three.

Question: What instrument can he play?
Self-contained rewrite: What instrument could Son House play?