Jang Hyun Seung and Lee Ki Gwang are members of a South Korean pop group B2ST. Their duet song called ‘Let It Snow’ originally performed at the ‘B2ST Airline’ concert was released as a full digital track on December 23rd. Jang Hyeon Seung (also spelled Hyunseung) Former Stage Name: So-1 DOB: September 3, 1989 Nickname: Rancho Education: Anshan Information Industry High School Specialty: beat box Height: 176cm Weight: 58kg Blood Type: B Read more on Last.fm