Conversation so far:
What happened in 1977 to Journey the band?
Journey's album sales did not improve and Columbia Records requested that they change their musical style and add a frontman, with whom keyboardist Gregg Rolie could share lead vocal duties.
Why did Journey the band change their musical direction by adding a frontman, with whom keyboardist Gregg Rolie could share lead vocal duties?
Journey hired Robert Fleischman and made the transition to a more popular style, akin to that of Foreigner and Boston.

Question: What was Robert's role with the band?
Self-contained rewrite: What was Robert's role with the band Journey?