2015: The Most Beautiful Moment in Life, world tour, rising popularity and critical acclaim
From February 10–19, 2015, BTS toured Japan for the first time with the Wake Up: Open Your Eyes tour. They performed to 25,000 fans in Tokyo, Osaka, Nagoyaand Fukuoka. On March 28, BTS held their second solo concert in Korea, titled BTS Live Trilogy – Episode 1: BTS Begins.
The group's third EP, The Most Beautiful Moment in Life, Part 1, was released on April 29, 2015. It was listed in June by Fuse as one of the "27 Best Albums of 2015 So Far" and was the only Korean album listed that year. On May 5, 2015, their title track "I Need U" won first place on SBS MTV's The Show, which marked their first win since their debut.The Most Beautiful Moment in Life, Part 1 had sold over 200,000 copies since its release.
On June 4, BTS released their fourth Japanese single, "For You", to celebrate their first anniversary of their Japanese debut, with its music video released on the same day. The single climbed to the top on Oricon's daily chart, selling 42,611 copies within its first day.
On June 23, BTS released their music video for their follow up single, "Dope (쩔어)", from The Most Beautiful Moment in Life, Part 1, becoming BTS first music video to hit over 100 million views. "Dope (쩔어)" rose to its peak at number 3 on Billboard's World Digital Chart despite being released two months earlier
The group's world tour, 2015 Live Trilogy Episode: The Red Bullet, continued with stops in Malaysia, Latin America, Australia and the United States, and ended in Hong Kong on August 29.
BTS was a part of the 2015 Summer Sonic Festival tour in Japan, performing on August 15 at Tokyo's QVC Marine Field and on the 16th in Osaka.On September 8, it was announced that BTS would return with the album The Most Beautiful Moment in Life, Part 2 on November 30. They also held a three-day concert tour, The Most Beautiful Moment in Life: On Stage, from November 27–29, where they showcased their title track "Run".
At the 2015 Mnet Asian Music Awards, they received the Best World Performerin recognition of their international fanbase. During the event, they performed "Run" and had a short collaboration stage with GOT7. The band released the Japanese version of "I Need U" as their fifth Japanese single on December 8.
The Most Beautiful Moment in Life, Part 1
(Hangul: 화양연화; Hanja: 花樣年華 pt.1; MR: Hwayang-yeonhwa pt.1) is the third extended play of South Korean boy group BTS. The EP was released on April 29, 2015 and is the first album of the group's two-part project series centering on "Youth". The album was released in two versions and contains 9 tracks with the title track, "I Need U". In June, BTS later promoted the single, "Dope", another track from the album. In South Korea, The Most Beautiful Moment in Life, Part 1 was the sixth best-selling album of 2015.
Background
On April 17, 2015, an animated comeback trailer portraying a boy playing basketball in a windy evening was released on YouTube, featuring Suga's rap. On April 19, 2015, Big Hit Entertainment released the name of their album as well as teaser photos of the boys on BTS's official Twitter account ahead of the group's comeback. On the 26th, BTS released an album preview, which confirmed that "I Need U" would be its title track.When the music video teaser was released on April 23, the hashtag "#INEEDU" trended worldwide on Twitter.
This is the first album where all of the members participated in either the production, composition, or lyric-writing of the songs. Despite the album's name expressing "the most beautiful moment in life", the band also wanted to express the anxieties and insecurities youth may face. In response to the studio album length of The Most Beautiful Moment in Life, Part 1,
Rap Monster and Suga explained that the group thinks every album as a full-length album, as the members want "to tell a lot of good stories".
In a Mwave interview, the group members mentioned they had spent more time working on "I Need U" than any other lead track on past albums: "We spent three to four times more working on 'I Need U' in comparison to other title songs. There are four different versions with the same beat. It′s a song that kept coming out with constant editing. We′ve put in that much effort and everyone is satisfied."