Conversation so far:
What year did REO Speedwagon achieve mainstream success?
On November 21, 1980, Epic released REO Speedwagon's Hi Infidelity, which represented a change in sound, going from hard rock to more pop-oriented material.
What was REO Speedwagon's first popular track?
Hi Infidelity spawned four hit singles, including the chart-topping Keep On Loving You, plus Take It on the Run, In Your Letter, and Don't Let Him Go“
Did t REO Speedwagongo on tour following their mainstream success?
REO Speedwagon toured the US in 1985
Was the REO Speedwagon US tour in 1985 successful?
Yes REO Speedwagon's tour including a sold-out concert in Madison, Wisconsin in May.
Which album made REO Speedwagon popular?
REO Speedwagon's Hi Infidelity spawned four hit singles written by Richrath and Cronin
Did Hi Infidelity win any awards?
In 2017 the Hi Infidelity album received the Diamond Award for official U.S. sales

Question: How many copies did this album sell?
Self-contained rewrite: How many copies did by REO Speedwagon sell?