Kei Kobayashi (born May 9, 1979) is a Japanese male jazz vocalist. He is from Tokyo. Born as the second son of a family whose grandfather is Kazunori Murakami (jazz steel guitar player), father Hiroshi Kobayashi (jazz pianist and arranger), and mother Kyoko Murakami (jazz vocalist), he grew up in an environment where he was familiar with jazz from an early age. He was inspired by a musical he saw at an amusement park when he was three years old, and then became obsessed with a stage play based ...