Conversation so far:
What changes were in store during the 90's?
Harms, disenchanted by the album's failure, left the group in early 1991.
How did that affect the group?
CANNOTANSWER.
Were there any other changes?
lost their recording contract with Epic, REO Speedwagon ended up releasing Building the Bridge (1996) on the Priority/Rhythm Safari label.

Question: How did that album do?
Self-contained rewrite: How did the album Building the Bridge (1996) do?