BTS, also known as the Bangtan Boys, is a South Korean boy band formed in 2010 and debuting in 2013 under Big Hit Entertainment.
Originally a hip hop group, their musical style has evolved to incorporate a wide range of genres; their lyrics have often discussed mental health, the troubles of school-age youth and coming of age, loss, the journey towards self-love, and individualism. Their work also frequently references literature, philosophy and psychological concepts, and includes an alternate universe storyline.