PPM 5-Market Numeris Survey Results

An obit issued by publicist Eric Alper on his passing called Clayton-Thomas ''One of the most recognizable voices of his generation" while noting that he sold more than 40 million records and "helped shape the very sound of jazz-rock.''

He joined Blood, Sweat & Tears as its vocalist in 1968, prior to the release of its self-titled international hit second album. Blood, Sweat & Tears sold ten million copies worldwide, topped the Billboard 200 for seven weeks, and remained on the chart for 109 weeks.