Les Holroyd is an English musician and songwriter, best known as a founding member and bassist of the progressive rock band Barclay James Harvest, formed in 1966. The band's genre primarily encompasses progressive rock, art rock, and symphonic rock, characterized by orchestral arrangements and lyrical storytelling. Holroyd contributed significantly to Barclay James Harvest's sound, serving as a vocalist and primary songwriter for many of their notable works, including "Mockingbird," "Hymn," and "Life Is for Living." The band's albums, particularly "Once Again" (1971) and "Everyone Is Everybody Else" (1974), received critical acclaim and helped define the progressive rock movement of the 1970s. Holroyd's impact extends beyond his work with Barclay James Harvest, as he has been involved in various solo projects and collaborations, showcasing his versatility as a musician. His songwriting and arrangements have influenced a generation of musicians within the progressive rock genre. Holroyd's contributions helped solidify Barclay James Harvest's legacy as a key player in the evolution of rock music, particularly within the symphonic and progressive subgenres.