AB6IX debuted in 2019 under Brand New Music, consisting of members Woong, Donghyun, Woojin, and Daehwi. The group made a strong debut with their first EP titled "B:Complete" in 2019, which topped various music charts in South Korea, with lead single, "Breathe," garnering 22 million views. Their "B:Complete" album sold over 200,000 copies leading them to win "Rookie of the Year", "Best Icon Award" and "Next Generation Artist Award" in 2019. AB6IX has gained a strong following both domestically and internationally and have embarked on successful international tours and festivals, in various countries, including the United States, Europe, and Asia and an upcoming world tour.