P1Harmony, a South Korean boy band formed in 2020 by FNC Entertainment, blend melodic pop, dance beats, and hip-hop elements. Their debut single "Siren" from the EP Disharmony: Stand Out achieved success, leading to subsequent releases that consistently charted in the Top Ten in South Korea. The group's first full-length album, 1st Album: Killin' It, and the Sad Song EP both reached the top of Billboard's World Albums chart.
Comprised of members Keeho, Theo, Jiung, Intak, Soul, and Jongseob, P1Harmony gained recognition with their early work and debut movie, P1H: The Beginning of a New World. Their series of EPs, including Disharmony: Break Out and Harmony: Set In, continued to garner success, with Harmony: All In marking their debut on the Billboard 200 in 2023. The group's consistent chart performance extended into 2024 with the release of 1st Album: Killin' It and the Sad Song EP, both achieving top positions on various music charts.