Flash was a British progressive rock band active from 1971 to 1973, most noted for featuring guitarist Peter Banks, a founding member of the band Yes. Their style mixed elements of progressive rock, jazz, and blues, with Banks's intricate guitar work as a distinctive signature sound. Despite their relatively short existence, the band gained critical acclaim for their debut self-titled album "Flash", and its follow-up "In the Can". The band's innovative sound and experimental approach to music structure had a significant influence on the progressive rock genre.