Crayon Pop was in Guangzhou, China for the “2015 Gratitude Guangdong Sino-Korean Collaborate Concert”. It was organized by the Korea Tourism Organization to boost Korea’s image as a tourist attraction. Other artists included Running Man’s Gary, Hu Fang Fang. Crayon Pop performed “Bar Bar Bar”, “Uh-ee” and “FM”. Other attendees were impressed by the loud fanchants from the male fans at the concert.
Sources: Tieba, Weibo 1, Weibo 2