Jeong Sewoon (정세운) KOREAN Jeong Sewoon (정세운) – Don’t know Don’t know [Album] 24 PART 12020.07.14 Lyrics/작사: 정세운, Young KComposer/작곡: 정세운, 박영빈, 조창대Arranger/편곡: UAC, 정세운 Sewoon Romanization gidaryeo bolkka haene…