Kei Hamada (Japanese: 濱田圭) born in Zama City, Kanagawa, Japan on August 12th 1984, is an artist, composer and guitarist. He is most known as the guitarist of kannivalism and disbanded baroque. 圭 started his solo career in September 2008, and released his first single, "the primary.", on November 19th 2008 and a second single, "vesperbell.", on January 14th 2009.