change. The group's name was changed to Folder5. (Miura did not participate in Folder5.) During the hiatus, Miura refrained from voice training and concentrated on dance practice. During the same period, he went to a junior high school where he became a member of the volleyball team (it involved harsh physical training). 2004: Comeback concert as Daichi Miura 2004 On 1 August, at Harajuku Astro Hall (VISION FESTA vol.2), he changed his stage name back to Daichi Miura and held a comeback concert. In the summer, J.Que (Patrick J.Que Smith, the composer of Usher's "Yeah!") came to Japan to write songs for Miura. During the week in the studio, they produced a few songs together. Miura was amazed by Smith's world class songwriting. J.Que nicknamed Miura "D-ROCK". On 9 December, Miura traveled to Los Angeles to shoot the music video of the debut song "Keep It Goin' On". On 16 December, Miura danced with top dancers including the backup dancers for Beyonce, Usher etc. as well as the Hip-Hop legend Crazy Legs of ROCK STEADY CREW in his music video. 2005 - 2006: Solo debut ~ D-ROCK with U 2005 On 19 January, at Shibuya O-WEST, the first solo concert Chapter-O was held. On 30 March, the first solo debut single "Keep It Goin' On" was released. Miura said "I want to popularize a solo style of R&B singing and dancing that is still rare in Japan". On 1 April, he was chosen as the first "Advance Artist" by MTV's Advanced Warning. On 22 April, Chapter-1 national tour started. On 1 June, the 2nd single "Free Style" was released. On 17 July, the solo concert Summer Seminar 2005 ~Eve of Marine Day Festival~ was held. On 12 October, the 3rd single "Southern Cross" was released. 2006 On 11 January, the 4th single "No Limit featuring Utamaru (from RHYMESTER)" was released. On 25 January, the first album D-ROCK with U was released. On 5 February, the live tour Chapter-2 D-ROCK with U started. On 29 March, the live DVD LIVE D-ROCK with U ~DAICHI MIURA LIVE Chapter-2~ was released. The monthly concert D-ROCK JAM started. 2007- 2009：Who's The Man 2007 On 29 April, the national tour covering eight cities started. ON 18 July, the 5th single "Flag" was released. On 29 July, Miura performed at the anniversary event of the legendary breaking and hip hop group Rock Steady Crew 30th Anniversary