Kazumasa Hashimoto (b. 1974 in Tokyo, Japan) is a Japanese composer, mastering engineer and web designer. As a child, Hashimoto learned classical piano, starting to compose in high school while making music on his computer. He majored in composition at Tokyo College of Music. His minimalistic music is a rich blend of electronic textures, digitally distorted voices and acoustic instruments such as cello, violin and clarinet, and makes extensive use of the piano.