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.
Koshi Inaba (Japanese: 稲葉浩志, Hepburn: Inaba Kōshi; born September 23, 1964) is a Japanese singer, songwriter and…Koshi Inaba (Japanese: 稲葉浩志, Hepburn: Inaba Kōshi; born September 23, 1964) is a Japanese singer, songwriter and multi-instrumentalist. He is best known as the vocalist and lyricist of the rock duo B'z, the best-selling music act in their native Japan. He also has a successful solo career, with six studio albums and five singles topping the Japanese music charts. Inaba collaborated with Slash on the latter's 2009 single "Sahara", and with Stevie Salas on the albums Chubby Groove (2017) and Maximum Huavo (2020).