[Sound K] SECRET NUMBER (시크릿넘버)'s Singin' Live 'Who Dis?'

SECRET NUMBER (시크릿넘버) paid a visit to Arirang Radio!
Check out the live performances of their amazing song 'Who Dis?' only on this video.

Visit to Arirang Radio's Home Page to meet more K-Pop Stars!
www.arirang.co.kr/Radio/Radio_Index.asp?sys_lang=Eng