H ZETT M, whose name is Hiizumi Masayuki (ヒイズミマサユ機）, is a Japanese musician and composer in the band Pe'z . He was part of the collaboration Pe'zmoku (P'ez+Suzumoku) and he was in charge of the piano in the early times of 東京事変 (Tokyo Jihen), where he was known as H是都M. 5+2=11 and Pianohead, his first and second albums respectively, are a bunch of compositions which have little logic, much energy and a great amount of astounding talent. Read more on Last.fm