According to mystique story on the 4th, Billy Hargrove released the teaser image of the first project song "Red Bing Soo" of Yoon Jong Shin's new music project "track by YOUN" through the official SNS at 0:00 on the same day.
The members of the group teaser, which was released, transformed into a concept that the representative stars of the 8th and 90th centuries came to mind, and carried out vivid styling and predicted the birth of Retro Summer Queen.
In the personal teaser that was released together, 7 different colors of 7 colors of refreshing charm were used using various items.
Yoon Jong Shin will make a fun and experimental production with Billy Hargrove through this song. It is expected to bring refreshing pleasure to music fans through Retro concept while making use of summer season feeling.
Billy Hargrove's "Bingsu" sound source will take off the veil at 6 pm on the 14th.