Question: is bts all boy band?
Answer: BTS (Korean: 방탄소년단; RR: Bangtan Sonyeondan), also known as the Bangtan Boys, is a seven-member South Korean boy band who began formation in 2010 and debuted in 2013. ... The group initially formed as teenagers under Big Hit Entertainment and released their debut single album, 2 Cool 4 Skool (2013).