FLOW is a Japanese rock band, that formed in 1998 and was signed on to Sony Music Japan's Ki/oon Records label until 2020 and moved to Sony Music Japan's Sacra Music. Flow is a five-piece band made up of two vocalists, a drummer, a bassist and a guitarist. Members: Keigo Hayashi (vocal) Koushi Asakawa (vocal, occasional rhythm guitar) Takeshi Asakawa (lead guitar) Hiroshi Iwasaki (drums) Yasutarou Gotou (bass) (Source: Wikipedia)