Tenmon (天門) (stylized as TENMON) born Atsushi Shirakawa (白川 篤史, Shirakawa Atsushi), is a Japanese musiccomposer from Tokyo, Japan born October 4, 1971. He worked in the Nihon Falcom Corporation as one of the members of Falcom Sound Team J.D.K.. During his time with Falcom, he has composed much music for Falcom games, most notably Brandish.
In 2009, an album, titled "Promise" ("新海誠作品イメージアルバム「Promise」"), performed by the Eminence Symphony Orchestra, based in Sydney, Australia, was released, celebrating ten years of collaboration between Tenmon and Makoto Shinkai.[4]
It consists of orchestral arrangements of a variety of pieces composed by Tenmon appearing in a range of Makoto Shinkai's works.[5][6]