David Clayton-Thomas, born David Henry Thomsett on September 13, 1941, is a Grammy Award-winning Canadian musician and singer-songwriter known for his resonant voice and powerful role as the lead vocalist for the American band Blood, Sweat & Tears. Born in Kingston upon Thames, Surrey, England, he moved to Canada with his family at a young age, where he eventually began his music career. Clayton-Thomas first rose to fame in the late 1960s after joining Blood, Sweat & Tears, contributing significantly to the band's most successful period. With his dynamic vocal prowess, he helped steer the band to international acclaim, especially with hits such as "You've Made Me So Very Happy," "Spinning Wheel," and "And When I Die."

Throughout his career, David Clayton-Thomas has not only been celebrated for his achievements with Blood, Sweat & Tears but also for his solo accomplishments. His discography includes a diverse range of albums that showcase his versatility as a musician, from jazz and blues to rock and soul. Albums like "A Blues For The New World," "Soul Ballads," and "Canadiana" illustrate his ability to explore and meld different genres, creating a unique sound that has remained relevant across decades. His enduring contributions to music have not only earned him accolades and a devout following but have also cemented his place as one of the influential figures in the evolution of rock, jazz, and rhythm and blues.