Conversation so far:
What was happening in 2010?
In March 2010, Aaron Lewis stated the band would start working on their seventh studio album by the end of the year.
How did the album do on the charts?
CANNOTANSWER.
Why did Wysocki leave?
CANNOTANSWER.

Question: Who replaced him?
Self-contained rewrite: Who replaced Jon Wysocki in Stained?