David Clayton-Thomas, the iconic lead singer of the jazz-rock band Blood, Sweat & Tears, has passed away at the age of 84.

His spokesperson, Eric Alper, announced that Clayton-Thomas died "peacefully" on Wednesday at St.

Michael's Hospital in Toronto, though a specific cause was not provided.

This marks the end of an era for fans of the brass rock sound he helped popularize.

Clayton-Thomas's powerful, husky tenor was a defining characteristic of Blood, Sweat & Tears, contributing to the success of their major hits such as “Spinning Wheel,” “And When I Die,” and the Motown cover “You’ve Made Me So Very Happy.” His unique vocal style, set against a backdrop of horns, keyboards, and percussion, made the band one of the most popular acts of the late 1960s.

The band's self-titled 1969 album, featuring Clayton-Thomas, notably won two Grammys, including Album of the Year, surpassing The Beatles' *Abbey Road*.

This period saw Blood, Sweat & Tears inspire a wave of horn-led groups, including Chicago and the Electric Flag.

Born David Henry Thomsett in Surrey, England, and raised in Canada, Clayton-Thomas had a challenging youth, marked by street fighting and petty crime.

His life took a turn when he taught himself to play guitar while in a reformatory.

He later changed his name and began leading his own groups, releasing albums like *Sings Like It Is* and achieving a hit with the anti-war song “Brainwashed.”

His journey led him to New York, where he eventually joined Blood, Sweat & Tears after being recommended by Judy Collins.

He quickly found a musical synergy with the remaining members, leading to the band's most commercially successful period.

Despite their widespread appeal, including a performance at Woodstock in 1969, the band faced controversies, such as a State Department-sponsored tour of Eastern Europe.

Clayton-Thomas left the group in 1972, though he briefly reunited with them later.

He continued to release over a dozen solo albums and toured for decades.

David Clayton-Thomas was inducted into the Canadian Music Hall of Fame in 1996, and his signature song, “Spinning Wheel,” was honored by the Canadian Songwriters Hall of Fame a decade later.

He is survived by his daughters, Ashleigh Clayton-Thomas and Christine Graham.