Related Information for Day6 DAY6 (데이식스) is a South Korean rock band formed by JYP Entertainment. They officially debut on September 7, 2015 with the mini-album The Day which includes the single Entertainment initially announced the band as a five-member band called 5LIVE, composed of Sungjin, Jae, Young K, Junhyeok, and Wonpil. The band began promotions as 5LIVE in 2014, appearing on the 4th episode of Mnet's reality-survival program Who is Next: WIN and releasing a song.. read more