Keitaro Izawa (伊澤 啓太郎, Izawa Keitarō; born July 4, 1976), better known by his stage name Ichiyo Izawa (伊澤 一葉, Izawa…Keitaro Izawa (伊澤 啓太郎, Izawa Keitarō; born July 4, 1976), better known by his stage name Ichiyo Izawa (伊澤 一葉, Izawa Ichiyō) is a Japanese pianist, vocalist and songwriter, best known for his work in the Ringo Sheena-helmed band Tokyo Jihen. He is also the lead vocalist and pianist of the band Appa.
Keizo Nakanishi (中西 圭三, Nakanishi Keizō; born 11 November 1964, in Nadasaki, Kojima District (now Minami-ku, Okayama)…Keizo Nakanishi (中西 圭三, Nakanishi Keizō; born 11 November 1964, in Nadasaki, Kojima District (now Minami-ku, Okayama), Okayama Prefecture) is a Japanese singer-songwriter and composer. He graduated from Okayama Prefectural Kurashiki Amagi High School and Nihon University College of Economics. In 2017, Nakanishi participated as a guest artist at the annual touring ice show Fantasy on Ice in Makuhari. He performed in the show opening to the song "Choo Choo Train" amongst others.