Girls' Generation (소녀시대/少女時代) KOREAN
Girls’ Generation (소녀시대) – Be Happy (웃자)
웃자 utja “Be Happy” Oh! 2010.01.25 Taeyeon, Jessica, Sunny, Tiffany, Hyoyeon, Yuri, Sooyoung, Yoona, Seohyun Lyrics/작사: E-tribe Composer/작곡: E-Tribe Arranger/편곡: 공현식, J-STA, E-Tribe