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How did Donnie Iris start into his peak years?
Donnie Iris' first album, Back on the Streets, was released in July 1980 on the small Cleveland, Ohio-based Midwest Records.
What is a Donnie Iris song off the Back on the Streets album?
The first single from Back on The Streets, Ah! Leah!, peaked at number 29 on the Billboard Hot 100 in February 1981.
Were there any other Donnie Iris hits besides Ah! Leah! that charted during this time?
Donnie Iris' Love Is Like a Rock reached number  37 on the U.S. Billboard Hot 100 chart and number 9 on the U.S. Billboard Mainstream Rock Tracks chart.
Did Donnie Iris release an album other than Back on the Streets during this period of 1980 to 1985?
The follow-up album, King Cool, credited to Donnie Iris and the Cruisers, was released in August 1981.

Question: Did anyone new join the band during these years?
Self-contained rewrite: Did anyone new join Donnie Iris's band during these years of Back on the Streets album release?