Membership issues. Laysha, a Korean women's group launched by JSEntertainment in 20 15, was composed of four captains, namely Ko Eun Kim, Yang Duoshun, Sia and Bao Lin, who made their debut with the debut song turnupthemusic. In 20 19, due to different music and dance concepts among members, they often had conflicts, and finally had to announce their dissolution. The representative work: TurnupMusic