" B.U.T " has been one of the most-performed songs by the duo since its release in September 2011 . They performed it at their 2012 Japan tour Tone , 2014 Japan tour Tree , and their 2015 Japan tour With . They also performed a Korean-language version of " B.U.T " for their 2012 &ndash; 13 world tour Catch Me and their 2014 &ndash; 15 tenth anniversary tour , Tistory . The Korean version of " B.U.T " was released as a bonus studio track for their live album , '' Live World Tour : Catch Me in Seoul '' , released in May 2014
Tree
Tree: Live Tour 2014
B.U.T (Be-Au-Ty) / Back to Tomorrow