Chaekyoung of the show Produce 101 and Chaewon of April reveal “Clock” music video. They state, “‘Clock’ is the first collaboration of Yoon Chae Kyoung, who had attracted a lot of attention at ‘Produce 101’, and Kim Chae Won, the main vocal of APRIL. “Clock” is a ballad song based on Bossa Nova rhythm, with the arrangement that excluded sensational…