Gunkan kōshinkyoku
The is a Japanese march composed in 1897 by Tōkichi Setoguchi. It was the official march of the Imperial Japanese Navy and is the official march of its successor, the Japan Maritime Self-Defense Force (JMSDF). In Japan, the march is also commonly referred to as the . History. The march, which sets to music lyrics by Hiraku Toriyama, was originally composed in B-flat major, but was transposed to F-major in the Taishō era in order to make it more manageable for men's voices. The third part of the song contains the lyrics of "Umi Yukaba