lead. Soyeon (2009–present) Park Soyeon ( Hangul : 박소연) October 5, 1987 ( 1987-10-05 ) (age 23) Main Vocalist [show] Supposed to be a member of Girls' Generation , but left before their official debut. Came first in the 2005 CMB Chin Chin Song Festival. Eunjung (2009–present) Ham Eun Jung ( Hangul :