Wish (Genie) " and " Gee ". The leader of the group is  Kim Taeyeon . The other members are  Jessica Jung ,  Sunny ,  Tiffany ,  Kim Hyoyeon ,  Kwon Yuri ,  Choi Sooyoung ,  Im Yoona  and Seohyun . Watch Beatles code with Girls Generation [Eng Subs]  Youtube Full