Conversation so far:
What was Blackened Sky?
the band's debut album, Blackened Sky.
When did the album release?
2002.
Did this album do well?
was released to generally positive reviews.
What happened after their successful album?
In 2003, the band retreated to the Linford Manor recording studio in Great Linford, Milton Keynes, England, to record the follow-up to Blackened Sky.

Question: What did they record?
Self-contained rewrite: What did Biffy Clyro record?