Conversation so far:
What is the Chronicles of Life and Death?
".
The only single from The Chronicles of Life and Death.
How well did this album sell?
The album sold 2.2 million copies.
What kind of music is on the album?
CANNOTANSWER.
What did the band do after the album was released?
In May 2005, after much speculation from fans, it was officially confirmed that Chris Wilson had left the band.

Question: Why did Chris Wilson leave?
Self-contained rewrite: Why did Chris Wilson leave the band Good Charlotte?