東京事變
On May 31, 2004, the members of the Tokyo Jihen declared that they worked as a permanent band. On July 24, they appeared in the presence of fans at the live "0724 Yamabikari" for the first time. They played some live sets during that year's "Fuji Rock Festival", and made their major debut with the single "Gunjō Biyori" on September 8. Tokyo Jihen released one album and two singles, and held their first concert tour -Tokyo Jihen live tour 2005 "dynamite!"-.