OKI is an Ainu Japanese musician. His real name is Kanō Oki (加納沖) and he is from the Kanagawa Prefecture. He studied industrial arts at the Tokyo National University of Fine Arts and Music. His father, Bikki Sunazawa, was a renowned wood sculptor. Oki uses the tonkori in his performances and mixes the traditional Ainu music with reggae, dub and other styles of African American music. Wikipedia
The definitive Wikipedia entry for Oki. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Oki_%28musician%29