Timing is the fourth Korean mini-album by the leader and main rapper of what boyband?
Timing (EP) Timing is Kim Hyun-joong's fourth Korean mini-album, which was released on July 11, 2014 under KeyEast.
Hwang Chan-sung Hwang Chansung (Hangul: 황찬성, Hanja: 黃燦盛, born February 11, 1990), generally known as Chansung, is a South Korean idol singer, rapper and actor. He is a member of the Korean boy band 2PM. Chansung made his debut as an actor in the 2006 comedy series "Unstoppable High Kick", and since then has gone on to star in the Japanese drama "Kaitō Royale" (2011) and "7th Grade Civil Servant" (2013).