GOOD LIFE feat.FIRSTKLAS A1Good Life Featuring – FIRSTKLAS A2Good Life (instrumental) B1Good Life (DJ KAORI Remix) Featuring – FIRSTKLAS Mixed By – D.O.I. Producer [Remix] – DJ Kaori Just Say So A1Just Say So Featuring, Rap – Verbal / m-flo Recorded By, Mixed By – Yoshiaki Onishi Vocals, Chorus – Namie Amuro Written-By, Producer – Ryosuke Imai, Verbal A2Just Say So [instrumental] B1Just Say So [Groove That Soul Mix] Featuring, Rap – Verbal Programmed By, Mixed By – Satoshi Hidaka Remix [Remix Produced By] – GTS Vocals, Chorus – Namie Amuro Written-By – Ryosuke Imai, Verbal