ウェブYūji Koseki (古関 裕而, Koseki Yūji, August 11, 1909 – August 18, 1989) was a Japanese ryūkōka, gunka, march, fight song and film score composer. His real name was also Yūji Koseki, but its kanji was 古關 勇治. Koseki entered Nippon Columbia in 1930. He composed Hanshin Tigers' song "Rokko Oroshi" in 1936. His famous military ...