1994年に地元福岡の放送局主催のオーディションにて二次選考まで残り、松本孝弘氏(B’z)のFMラジオ番組にてその曲がオンエアされクオリティを絶賛される。翌年の1995年には東京文化放送主催オーディションにて最終選考(2組/2000組)まで勝ち進む。ボイストレーニング、DTMなどの基礎を学びながら全国規模のイベントのテーマソングなどを手掛けて、2002年に架空FM番組とライブを融合した「The phenomenal live show vol.2” a little positivism」を企画、構成、製作、演出、出演。2003年にユニットのサポートキーボーディストとして福岡ドームにてライブ。2004年ブルーノート福岡で行われた「live “bride”」を企画・製作・出演を最後にライブ活動をやめ、その後自分自身の作品の制作のみに専念し、2006年自身により映像編集・音楽・デザインを担当し、またピアニスト西村由紀江氏のピアノ曲をもフューチャーした DVD “photologue scenes” 発売。2003年に永野商店クリエイティブを設立。音・Design・映像を「表現」という枠を大きく捉えた活動期に入る。その中のWEB事業では2006年アメリカ大手コミック会社の日本代理店によるサイトデザインコンペ最終選考2組に残こる。クライアントの一人が2008年からミリオンセラーやオリコンチャート一位などを確立。その後、福岡の大手レストランチェーン、東京の大手出版社、公共施設様々なWEB SITEのデザイン、CMS構築を手掛けている。
Tetsu Shirahashi had a broadcasting station audition in Fukuoka, and he got through to the second stage. At the same time, in 1994, his song was being played on Takahiro Matsumoto’s FM radio show and Matsumoto admired the quality of his songs. Tetsu had an audition at Nippon Cultural Broadcasting the next year, and he got through to the final stage out of 2,000 people. Later he had Desk Top Music and voice training at a music school, and he wrote the theme songs of a nationwide event. In 2002 he planned a live event, “The Phenomenal Live Show vol.2 : A Little Positivism”, which was merged a live show, fictional FM radio program live on. He performed at the Fukuoka Dome as a backup keyboardist in some musical group in 2003. He quit performing live after “Live Bride,” which he planned and produced on Blue Note Fukuoka 2004. After that Tetsu has focused on his sound works to the present date. In 2006 the DVD “photologue scenes” which he produced, edit, designed and featured Yukie Nishimura, was released. Tetsu Shirahashi established “Nagano Syouten creative” in 2003. He was involved in activities that helped to define the meaning of “expression” among sound, design and film. He won through to the final selection in the Marvel Japan agency web design competition in 2006. One of his clients reached No.1 on the hit chart and was a million seller from 2008 after his site was renewed. After that Tetsu did a lot of web design and worked as a system architect in CMS at a major restaurant (Fukuoka), a major publishing company (Tokyo), a public community (Tokyo), and major company (Tokyo), although he lives and acts locally in Fukuoka.