original lead singer of blood sweat and tears
David Clayton-Thomas David Clayton-Thomas (born David Henry Thomsett; 13 September 1941) is a Grammy Award-winning Canadian musician, singer and songwriter, best known as the lead vocalist of the American band Blood, Sweat & Tears. Clayton-Thomas has been inducted into the Canadian Music Hall of Fame and in 2007 his jazz/rock composition "Spinning Wheel" was enshrined in the Canadian Songwriter's Hall of Fame. In 2010 Clayton-Thomas received his star on Canada's Walk of Fame.