Model and singer Jang Yoon-ju appeared in the "Cultural Revolution Day, Zipcon" music & talk concert held at the concrete studio in Hannam-dong, Yongsan-gu, Seoul on July 25th.
On this day, Jang Yoon-ju is singing.
On the other hand, Zipcon is a 'Cultural Revolution day' campaign that aims to enjoy Cultural Revolution by anyone near home or everyday space.
Jung Yu-jin
About Jang Yoon-ju
Jang Yoon-ju is a South Korean model, television personality, singer-songwriter and actress. Yoon-ju began modeling in 1997 when she was 17 years old, and became one of the most successful Korean fashion models, with a career spanning almost two decades.
 Wikipedia