Conversation so far:
What happened in 2009 and 2010 to Shinee?
Shinee released the digital version of their third extended play, 2009, Year of Us, on October 19, 2009, with a physical release on October 22.
Did Shinee become popular after they released the digital version of their third extended play, 2009, Year of Us, on October 19, 2009, with a physical release on October 22?
In early December 2009, the group was also awarded with the Popularity award along with Super Junior at the 24th Golden Disk Awards.
How did Shinee become involved with Lucifer?
Did any of the members of Shinee break up?

Question: How many records did they sell when they made Lucifer?
Self-contained rewrite: How many records did Shinee sell when they made Lucifer?