AKMU (also known as Akdong Musician) is a duo consisting of brother and sister, Lee Chanhyuk and Lee Suhyun. The duo performed together for the 1st time at an audition for LOEN in 2012, and eventually signed under YG Entertainnment. The group officially debuted in 2014 with their album PLAY. In 2017, Chanhyuk enlisted for the military, thus putting the group on hiatus until his return.