Soul Flower Union, also known as SFU, is a Japanese musical group that incorporates Asian and world music styles into a rock and roll band. They are known for their blend of psychedelic, rock, Okinawan music, Celtic music, chindon (a kind of Japanese street music), swing jazz, and Japanese, Chinese and Korean folk music. Most of their songs are written and performed in Japanese. However, they are fond of using phrases from several other languages, including English, French, Italian, Korean, Arabic and Ainu (the native people of Hokkaido, Japan).