Veteran soloist Kim Wan Sun, called Korea's Madonna, will be making her comeback this week with the support of B2ST's Junhyung! On October 24th, Kim Wan Sun's agency revealed that she'll be releasing her comeback digital single, "Be Quiet", on the 25th. Her title track was co-produced by Shinsadong Tiger and Junhyung himself. �It is described as an electronic dance track. Junhyung will not only be featuring in the song, but also starring in her music video. He's already had several rap featurings for other artists like HyunA, G.NA, and Wheesung, so fans are looking forward to what he'll be presenting with an older artist. Her agency stated, "Kim Wan Sun will be promoting actively on music programs. Fans can look forward to her collaboration with Junhyung's rap featuring." Source + Photos: Star News via Naver