All four members of the legendary girl idol group Fin.K.L. will gather together for the first time in three years! According to an affiliated source of Music Square, Fin.K.L. members Lee Hyori, Sung Yoori, and Lee Jin will reunite with fellow band member Ock Ju Hyun to congratulate her on being selected as the new DJ for the radio program, "Music Square." They will�perform on Ock Ju Hyun's first broadcast, and�plan to sing memorable old-school songs including "Blue Rain" and "To My Boyfriend". The program is scheduled to air on the 20th via KBS Cool FM (89.1 MHz). The first episode of this music show sounds like a lot of fun, so be sure to catch these four girls in action!