강정숙 외 4명(Kang Jung-sook other 4 people) - 가야금 병창 <신 사철가>(Gayageum Byungchang <Sin Sacheolga>, Singing While Playing Gayageum <New Four Seasons Song>), 우리가락 우리문화(Woori Garak Woori Munhwa, Our Melody Our Culture) 20150502