Table:
text: YG Entertainment discography
2010s
2011
Released Title Artist Format Language_
20 January 2011 V.V.I.P Seungri Mini Album, Digital Download Korean
24 February 2011 Tonight Big Bang Mini Album, Digital Download Korean
8 April 2011 BIGBANG Special Edition Big Bang Studio Album, Digital Download Korean
11 May 2011 Big Bang 2 Big Bang Studio Album, Digital Download Japanese
25 May 2011 The Ultimate: International Best Big Bang Compilation Japanese
30 June 2011 2011 Big Show Live Concert Big Bang Live Album Korean
28 July 2011 2NE1 2NE1 Extended play, Digital Download Korean
21 September 2011 Nolza 2NE1 Extended play, Digital Download Japanese

Question: In YG Entertainment's discography, was Big Bang 2 recorded in Japanese or Korean?