Were Kim Tae-yeon and Jo Kwon in a girl group and boy band respectively?
Kim Tae-yeon: Kim Tae-yeon (born March 9, 1989), referred to as Taeyeon, is a South Korean singer. Kim Tae-yeon:  She had been a trainee at S.M. Entertainment's Starlight Academy during her middle school years before debuting as a member of the agency's girl group, Girls' Generation, in 2007. Jo Kwon: Jo Kwon (Hangul: 조권, hanja: 趙權; born on August 28, 1989) is a South Korean singer, MC, actor, entertainer and leader of South Korean boy band 2AM.
yes