Bangtan Boys

Bangtan Boys, Bangtan Sonyeondan, Bulletproof Boy Scouts

- is a South Korean seven-member hiphop boy group formed by BigHit Entertainment, a company who also manages the artists GLAM and 2AM. They debuted on June 13, 2013 with their first title song No More Dream. In addition, they had their own variety show called 'Rookie King: Channel Bangtan' which aired on the SBS MTV channel for a total of eight episodes.

Pre-Debut

Jhope appeared on several music programs due to his feature in 2AM member Jo Kwon's single, 'Animal'.  The rest of the members appeared in Jo Kwon's 'I'am da One' music video. The group released two cover songs before their debut. Jin, Rap Monster and Suga produced and released a cover track of Kendrick Lamar's Swimming Pool (Drank) and titled it Scho of Tears. While Jhope, Jungkook and Jimin produced Graduation Song, a cover track of Wiz Khalifa's Young, Wild and Free.

2 Cool 4 Skool

BTS released a tracklist for their debut single album, 2 Cool 4 Skool on June 6. Their first official album music video with the title No More Dream was released on June 13, 2013. They debuted on June 13, 2013 at M! Countdown. On July 16, 2013, another single from thwir debut EP,  We are Bulletproof Pt. II was released.

O! R U L8 2?

The first teaser was released on August 26 featuring Rap Monster rapping while images related to BTS and their style of music floated past, before the items begin to break an invisible sheet of glass. Teaser pictures for their comeback were released on August 29 and featured the boys dressed in white. On September 11, 2013, they released the official music video for their next title track N.O.

Skool Luv Affair

Bighit Entertainment says "Having discussed their dreams and happiness with their songs released last year, the boys will now reflect teens' idea for love this time. The members directly participated in the production of the songs in this album, abundantly bringing out the emotions of teens"  on February 11, 2014, the group held a showcase wherein they performed some highly anticipated songs from their upcoming new album such as Jump, Just One Day and Boy in Luv.

Not long after the showcase was held, BTS released their comeback track of Boy in Luv. The music video features the members as school students dressed in dark school uniforms and showed strong and sharp choreography. BTS' second mini album Skool Luv Affair was released pn February 12 which consists of 10 tracks.

Japanese Activities

In mid February, it was disclosed that the band would appear in their own version of a popular Japanese simulation game known as Kstars Wonderland. BTS is said to be the second artist to participate in the Japanese project, following the fellow South Korean boy group, Infinite. In early March, Bighit Entertainment announced that BTS was scheduled to make their official Japanese debut. The album was officially released on June 4, with their first official single being a Japanese version of their general debut song, No More Dream.

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On July 14, 2014, they showcased their first own America concert BTS: Show and Prove, where they performed what they had learned in LA and older songs. It is to be broadcast on TV on their reality show called BTS American Hustle Life, starting on July 24, 2014.

SOURCE: Wikipedia