C.G mix (real name: Shinji Hatakeyama / 畠山慎司, born January 11) is a japanese singer-songwriter from Sapporo, Hokkaido. In 2021, he completes 20 years as an I've Sound member, thus becoming the sound creator with the longest career in the group, second only to Kazuya Takase, founder of I've Sound.
He started music activities in 1995 with the release of his 1st single LUNAR DANCE, later signing to FUCTORY Records and meeting the future I've-founder, Kazuya Takase.
Prior to I've, C.G mix was also active in the eurodance scenario under the alias "H.G mix" and the unit "EURO KING".
Under NBCUniversal, former Geneon Universal Entertainment, he also released two original albums.
While mainly focused on composition and arrangement, since 2018 he's been very active as singer and has released a series of new CDs, including a single, a 3rd album and a self-cover mini-album. For 2021, a remix mini-album called Club groove mix was released on July 15.