Conversation so far:
What were Donnie Iris and the Cruisers' peak years?
1980–85
Did Donnie Iris perform any shows?
The band launched a national tour to promote the album Back on the Streets and its follow-up during the summer of 1981.

Question: How popular were they?
Self-contained rewrite: How popular were the band Donnie Iris and the Cruisers?