Conversation so far:
Can you provide a little background information on Journey's 1977-1980 musical direction?
Columbia Records requested that Journey change their musical style and add a frontman.
Was the musical style of the band Journey changed after the suggestion from Columbia Records?
Journey hired Robert Fleischman.

Question: What did Robert do to bring about those changes?
Self-contained rewrite: What did Robert Fleischman do to bring about changes in Journey's style?