Derek Holt is a British musician best known as a founding member of the rock band Colosseum. He played the bass guitar and contributed to the band's distinctive sound during the late 1960s and early 1970s. Holt's musical style blends elements of jazz, rock, and blues, showcasing his versatility as a musician. In addition to his work with Colosseum, Holt has collaborated with various artists and bands throughout his career. He has also been involved in music production and songwriting, further establishing his presence in the music industry. His contributions have left a lasting impact on the British rock scene.