Matthew Fisher is a Canadian musician and songwriter, best known as a founding member of the rock band Procol Harum. He played the organ and contributed to the band's distinctive sound, particularly with the hit song "A Whiter Shade of Pale". Fisher's work in the band helped shape the progressive rock genre in the late 1960s. In addition to his work with Procol Harum, Fisher has pursued a solo career and collaborated with various artists. He is recognized for his contributions to music, particularly in the areas of songwriting and keyboard performance, influencing many musicians in the rock genre.