Volume Up () is a South Korean radio show currently hosted by Hyojung on KBS Cool FM in Seoul and UKBS MUSIC DMB in the provinces, airing every day at 20:00âÂÂ22:00 (KST). Known as the ruler of the dinner time the show became the highest-rated radio program in its time slot across both AM and FM bandwidths in Seoul. KBS 2FM was South Korea's No. 10 station. Popular for soft music playlist, a short soap opera segment called Lie to Me based on the 2011 TV drama of the same title and Yoo's "My Final Message".