Song Seung-hyun (Hangul: 송승현; hanja: 宋承炫;Japanese:ソン•スンヒョン born 21 August 1992) is a South Korean musician and actor. He is a member of rock band F.T. Island, where he serves as the guitarist, vocalist, lyricist, and composer. He is the newest member after replacing Oh Won Bin. He is the second youngest member of the group after Choi Min-hwan.