Timing is the fourth Korean mini-album by the leader and main rapper of what boyband?
Kim Hyun-joong Kim Hyun-joong (; born June 6, 1986) is a South Korean actor and singer, and the leader and main rapper of boyband SS501.
Boys Republic (band) Boys Republic () is a South Korean K-pop boy band consisting of five members: Onejunn, Sunwoo, Sungjun, Minsu, and Suwoong. They are Universal Music's first K-pop idol group (also managed by Happy Tribe Entertainment). Boys Republic debuted on June 5, 2013 with the single, "Party Rock". Their official fan club name is "Royal Family".