Kobayashi was born on October 20, 1981 in the Kanagawa Prefecture. Her father was a photographer and her mother, a piano teacher. Beginning at a very young age, Kobayashi learned to play the piano. When she was 13 years old she joined a brass band and started to play the flute.
Four years later she stopped playing in the band, instead choosing to start a relationship with the saxophone. After that she turned to jazz.
Kaori Kobayashi – Nothing Gonna Change My Love for You