By the early 1990s, Komuro was spending much of his time writing songs for and producing many other musicians and bands. He was also an early pioneer of dance music in Japan, and came to stardom in the 1990s as producer with a long string of hits with artists such as TRF (TK Rave Factory), Tomomi Kahala, Namie Amuro, Ami Suzuki, hitomi, Ryoko Shinohara and H Jungle with t. In 1994, he composed the musical score to the Japanese anime film "", based on the Capcom video game. Ryoko Shinohara sang the theme song of the anime film, "Itoshisato Setsunasato Kokorozuyosato", with Tetsuya Komuro. The single of the theme song was released on July 21, 1994. In total, the single "Itoshisato Setsunasato Kokorozuyosato" sold over two million copies on the Oricon charts. This score was removed from the US release of the film.