[2] Moreover, in 2021 Koji was voted as the greatest active male Japanese singer, with 190 experts agreeing that he is a "living national treasure of music" and that he portrays an "unparalleled mass of expressiveness and emotion which only seems to get better with age".
[3] As a vocalist and a songwriter of the band, Tamaki spawned multiple successful compositions which were mostly co-written by lyricists including Gorō Matsui and Yōsui Inoue, by the time that the group suspended their career in 1993.
His song "Den-En" released as a single in 1996 became a massive hit, which reached the number-two on the Japanese Oricon charts and sold in excess of 900,000 copies.
He has started acting career for the first time on "Prussian Blue no Shozo", the 1986 motion picture he starred.
Anzen Chitai returned from a recess and released their new single "Aoi Bara/Wine Red no Kokoro (2010 version)" on March 3, 2010.