Conversation so far:
Why did Lou leave?
preparing to tour behind Long Hard Look as the opener for Steve Miller Band.
He went solo?
Gramm released Ready or Not in January 1987.
How was it received?
CANNOTANSWER.
Who replaced Gramm?
Johnny Edwards.
What did Gramm play?
lead singer.

Question: Did he tour for his solo career?
Self-contained rewrite: Did Lou Gramm tour for his solo career?