Conversation so far:
Why did Lou Gramm leave?
Lou Gramm decided to leave Foreigner in May 1990 while preparing to tour behind Long Hard Look as the opener for Steve Miller Band.
Lou Gramm went solo?
After finishing this tour, Lou Gramm went on to form the short-lived band Shadow King
How was Shadow King received?
Although replacements were considered, Shadow King members eventually went their separate ways, with Lou Gramm and Bruce Turgon rejoining Foreigner in 1992.

Question: Who replaced Gramm?
Self-contained rewrite: Who replaced Lou Gramm?