Yasuhiro Kobayashi (小林 靖宏, Kobayashi Yasuhiro, born April 29, 1959), known professionally as coba, is a Japanese musician, accordionist, composer and arranger, born in Matsushiro, Nagano and brought up in Niigata, Niigata.
At the age of 18 he moved to Italy in order to hone his music skills in local educational institution and graduated with honours.
In April 1979 coba won an accordionist contest in Japan; in September he did the same in Italy and in October 1980 he was recognized as the best in Austria.
Throughout his career coba also worked with Goldie, 808 State, Underworld, Plaid and Howie B.
In 2006 coba was awarded "Voce d’oro" - the prize of "the most active accordionist in the world".