During the MBC 2012 DMZ Peace Concert which is dated to be held on August 14th-15th at PyungHwa Nuri Park in Imjingak, Sung Si Kyung and Kai will stand on stage together to perform a duet song.

On the second day of concert, the 15th, Sung Si Kyung and Kai will appear in the latter half of the concert to perform their song, "Perhaps Love." On August 14th, the two singers would meet to have a rehearsal practice in Seoul for the concert. 

On the first day of MBC 2012 DMZ Peace Concert, SHINEE, BEAST, IU, f(x), SISTAR, A Pink, Ailee, Dynamic Duo, and etc, will perform under the theme of "We are the Generation of Peace."

On 15th, Richard Yongjae O'Neill and Tong Young Orchestra will join together to present classical music concert.