AKMU, also known as Akdong Musician, is a South Korean duo consisting of siblings Lee Chan-hyuk and Lee Su-hyun. Propelling to national stardom through the second installation of K-pop Star (2012–2013), the brother-sister duo officially debuted under YG Entertainment in April 2014 with the studio album, Play (2014), at the age of seventeen and fourteen, respectively. Inclusive amidst the prominent figures of South Korea, they have received numerous accolades and the honorific title, "The Nation's Siblings", in their home country; and are often cited as "musical prodigies" and "genius singer-songwriter" among others.

Lee Chan-hyuk, is a South Korean singer-songwriter, producer and author. He debuted as a member of the sibling duo AKMU in April 2014, under YG Entertainment.