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Producer / Artist / Composer / Singer Songwriter / DJ .

「KATSUYA MOURI」Game 系ソロプロジェクト「GRATEC MOUR（グラテック　ムール）」

2015年からスタートしたカプコンの音楽ゲームcrossbeats REV. & CROSS×BEATS に収録。

2017年 Nintendo Switch ぺんぎんくんギラギラWARS収録「DANCE IN THE SUN ©CITY CONNECTION CO., LTD.」

2017年9月に自身の1st Album「DISCOVERY」「DISCOVERY-ANOTHER STORY」発表。

2019年 NAOKI MAEDA(UNLIMITED STUDiO) プロデュースによるリズムアクションゲーム『SEVEN’s CODE』に「The End Of The

World / GRATEC MOUR」収録。

2020年 2nd album「In This Corner of the World」発表。

2020年 3rd album「EDEN 最終章～新たな星へ～」発表。

2021年「Satellite System ft.Diana Chiaki」セガの音楽ゲーム「チュウニズムニュー」に収録。

GRATEC MOURは3rd album リリースで活動を停止した。

2025年10月～活動を再開中、2026年に新曲を3曲含むアルバム『Re+Birth – The Definitive Remasters & Reworks』を発表予定。

GRATEC MOUR is the solo music project of KATSUYA MOURI, dedicated to game-inspired sound production. Launched in 2015, the project began by contributing tracks to CAPCOM’s rhythm games crossbeats REV. and CROSS×BEATS, including:

・Satellite System feat. Diana Chiaki

・Rising Day feat. Satan

・DREAMIN’ OF YOU feat. Kotteru

In 2017, GRATEC MOUR’s track DANCE IN THE SUN was featured in the Nintendo Switch title Penguin Wars (ぺんぎんくんギラギラWARS).

©CITY CONNECTION CO., LTD.

September 2017 saw the release of his first albums: DISCOVERY and DISCOVERY – ANOTHER STORY.

In 2019, the rhythm action game SEVEN’s CODE, produced by NAOKI MAEDA (UNLIMITED STUDiO), included The End Of The World by GRATEC MOUR.

In 2020, he released his second full-length album In This Corner of the World, followed by the third and final album EDEN: Final Chapter – Toward a New Star later that year.

In 2021, the track Satellite System feat. Diana Chiaki was also featured in SEGA’s music game CHUNITHM NEW.

Following the release of the third album, GRATEC MOUR concluded its activities under that name.

The artist, who resumed activities in October 2025, is scheduled to release the album Re+Birth – The Definitive Remasters & Reworks in 2026, which will include three new songs.