Conversation so far:
What was donnie's cruisers' peak years?
1981 and garnered the band more AOR success, with "Love Is Like a Rock" reaching #9 on Billboard's Top Tracks chart.
What other singles topped the charts?
"My Girl" at #25 and "Sweet Merilee" at #31, charted on the Rock Tracks chart.
Did he perform any shows?
the band launched a national tour to promote the album and its follow-up during the summer of 1981.
How popular were they?
CANNOTANSWER.
What albums did they release?
Fortune 410 charting higher than The High and the Mighty, MCA was displeased that both albums didn't chart as high.
/what are some other interesting aspects of this article?
MCA dropped the band in 1984.

Question: Why did MCA drop the band?
Self-contained rewrite: Why did MCA drop Donnie Iris and the Cruisers?