4썡 1씪 (넗) 젙誘쇨뎅 Quartet

뱶읆 젙誘쇨뎅
뵾븘끂 諛⑹誘
踰좎씠뒪 씠以
湲고 궓湲곗

https://youtu.be/eT-IjAuU234