I'm not a Japanese, but I listen to his songs & album during my studies in Japan Technical institution 39 yrs ago. Koji is really a God of singer, his song have such a beatuful melody & distinct favor to the ear that give a certain emotional sense & pleasure even though I don't really seems to understand "Nippon Go language" & know what he is singing. From him I did pick up some japanese language. Respect you Mr Koji Tamaki san! 😇😊🤗