どこか影を持ちながらも清涼感のあるソングライティングとバンドアンサンブルで職業・性別・年齢を問わず評判を集める不健康ポップバンド。2006年、澤部渡のソロプロジェクトとして多重録音によるレコーディングを中心に活動を開始。2010年、自身のレーベル、カチュカ・サウンズを立ち上げ、1stアルバム『エス・オー・エス』をリリースした事により活動を本格化。これまでカチュカ・サウンズから4枚のアルバムを発表し、2016年にカクバリズムからリリースしたアルバム『CALL』が全国各地で大絶賛を浴びた。そして、2017年にはポニーキャニオンからメジャー1stアルバム『20/20』を発表。2020年にはインディーズ期の楽曲を再録音した『アナザー・ストーリー』を発表し、その楽曲の芯の強さを見せつけた。その他も数々のアニメーション作品、映画、ドラマの劇伴、楽曲制作に携わる。また、そのソングライティングセンスからこれまで藤井隆、Kaede(Negicco)、三浦透子、Adieu（上白石萌歌）などへの楽曲提供も行っている。更にマルチプレイヤーとして澤部自身も敬愛するスピッツや川本真琴、ムーンライダーズらのライヴやレコーディングに参加するなど、多彩な才能、ジャンルレスに注目が集まる素敵なシンガーソングライターであり、バンドである。

“Skirt” is an ill health POP-band well-known from any occupation, gender, and age-group for his song-writing technique and band ensemble, which features somewhat of a dark-side with a cool sensation. His music presents intense POPS, gaining a great reputation for his emotional live performance, which strongly attracts the audience.
From 2006, “Skirt” started his career as Wataru Sawabe’s solo project mainly using overdubbing recording method. In 2010, he launched his own record label “Kaczka Sounds” and started creation in earnest since the release of his first Album”S-O-S”.During his ages at “Kaczka Sound,” he announced 4 albums and by the year 2014, he transferred to “KAKUBARHYTHM”.
After his transfer in 2016, he released Album “CALL” which was remarked and highly praised all across Japan.
Next October 2017, he contracts with a major Japanese music label and releases his Major 1st Album”20/20”. In the year 2018, he released his major 1st single including “Toi Haru”(translated: Far Spring) becoming the theme song for a Japanese movie “Takasaki Graffiti” and “Boukyaku no Sachiko”(translated: Oblivion of Sachiko) becoming the opening theme song for TV drama with the same title, “Boukyaku no Sachiko” starring Mitsuki Takahata. By 2019, he released his major 2nd single “Kimi ga irunara”(translated: Otherwise if you are here) including Newly written song and inserted song for the movie “Sora no Restaurant”(translated: Sky Restaurant) starring Yo Oizumi.
Along side, empowered by his song-writing skills, he has provided music for talents such as Takashi Fujii and Kaede(Neggico); and produced drama/movie background musics. Further on, as a multi-player he joined recordings with various artist such as SPITZ, a famous Japanese band, and Keiichi Suzuki.
“Skirt” is talented genreless but multicolored as a nice singer, songwriter, and a band, who attracts many people’s attention.