Conversation so far:
When was Steven Vai born?
a descendant of Italian immigrants, was born in Carle Place, New York.
How old was Vai when he became a musician?
CANNOTANSWER.
What did Vai do before becoming a musician?
It was a year later, at the age of six, that Vai experienced his first introduction to the guitar.
Is there anything else interesting in this article?
When I saw that guitar and I saw this kid playing it, I knew instinctually that I was going to play the guitar someday.
Where did Vai grow up?
New York.
Did he attend college?
Vai attended Berklee College of Music.

Question: What did he do after college?
Self-contained rewrite: What did Vai do after college?