 It was at this time that Ishii changed how he wrote his given name from to , though the pronunciation stayed the same.In 1994, T.utu put out their first album, and Utsunomiya, as one of the members of the former members of T.utu, split off into another band named Boyo-Bozo which Ishii also helped compose music for.After Boyo-Bozo broke up, Ishii composed music for a number of other artists including Lazy Knack, Tomoe Shinohara, Masayuki Suzuki, and V6.