Conversation so far:
What happened to the band Journey in 1977?
Journey hired Robert Fleischman and made the transition to a more popular style, akin to that of Foreigner and Boston.
Who is Robert Fleischman, who joined the band Journey in 1977?
a frontman, with whom keyboardist Gregg Rolie could share lead vocal duties.
Did Journey create an album with frontman, Robert Fleischman with whom keyboardist Gregg Rolie shared lead vocal duties?
Journey went on tour with Fleischman in 1977 and together the new incarnation of the band wrote the hit Wheel in the Sky“.
Was the Journey tour with Robert Fleischman in 1977 successful?
Management differences resulted in Fleischman's leaving within the year.
Who replaced Robert Fleischman from Journey after Fleischman left?
In late 1977, Journey hired Steve Perry as their new lead singer.
Did the Journey album Infinity do well?
That album was Journey's first RIAA-certified platinum album.
Did Journey's Infinity, their first RIAA-certified platinum album, have a hit single?
Wheel in the Sky
Did the hit single Wheel in the Sky from Journey's Infinity, their first RIAA-certified platinum album do well on the music charts?
With their hit song Wheel in the Sky, Journey set on a new path with a more mainstream sound to make their highest chart success to date.
What did the band Journey do after the release of Infinity?
In late 1978, manager Herbie Herbert fired Dunbar, who joined Bay Area rivals Jefferson Starship shortly thereafter.

Question: Who replaced Dunbar as the drummer?
Self-contained rewrite: Who replaced Aynsley Dunbar as the drummer in Journey after Dunbar was fired?