Singer Song Ga-in appeared on 'Radio Star' and told a story. In the MBC entertainment program 'Radio Star' broadcast on the afternoon of the 8th, trot singer Song Ga-in appeared and showed off her wit. On this day, 'Radio Star' was decorated as a special feature of 'The Fiery Priest', along with Song Ga-in, music director Kim Moon-jung, actor Seo Yi-sook, and singer Lee Hong-ki. Song Ga-in caught her attention by telling her how busy she is with her concert preparations and her new album activities. Song Ga-in, who became a 'sales increase guarantee check', chose Jeolla-do soju as an advertisement item that enjoyed a large synergistic effect. Since Song Ga-in became a model, the number of posters printed has been renewed. Next, Song Ga-in surprised everyone by revealing that she was the first Korean star to sponsor a billion-dollar diamond necklace from an expensive jewelry brand after world-famous actress Angelina Jolie to shoot a wedding pictorial. Song Ga-in revealed that she too