Conversation so far:
when did Joe Satriani start Joe Satriani's music career?
Satriani started playing in a San Francisco-based band called the Squares, where he continued to network and make musical connections.
what instrument does he play?
guitarist.
what year did he start his music career?
CANNOTANSWER.
does he still play the guitar?
CANNOTANSWER.
is he still playing with the Squares?
CANNOTANSWER.

Question: Did he play with any other bands?
Self-contained rewrite: Did Joe Satriani ever play with any bands other than the Squares?