What band did one of the stars of Hitmaker sing in?
Hitmaker (2016 TV series): Hitmaker () is a 2016 South Korean variety show starring Kangin, Jung Joon-young, Jung Jin-woon and Lee Chul-woo. Jung Joon-young: Jung Joon-young (born February 21, 1989) is a South Korean singer-songwriter, radio DJ, host, actor, and television personality. Jung Joon-young:  Since 2015, Jung is the lead vocalist of rock band Drug Restaurant, previously known as JJY Band, releasing their first album "Escape to Hangover" in May 2015
Drug Restaurant