Boyz II men, the famous R&B group from the United States and 4MEN the emerging R&B group from Korea, are holding a joint concert. Enjoy the powerful and husky voice of some of the best singers from Korea and the United States./Time: 8 p.m. Friday (Apr. 16) & 7 p.m. Saturday (Apr.17)/ Ticket Price: 143,000 won (R), 121,000 won (S), 99,000 won (A), 77,000 won (B)/ Ticket Reservation:1566-1369, YES24:1544-6399 (Korean language only)