Thomas, lead singer and songwriter of the jazz rock group Blood, Sweat & Tears, died Wednesday at 84, the singer's publicist ...

The group had big hits with “You’ve Made Me So Very Happy” and “And When I Die,” but the singer left the band in 1972.

Thomas, whose soulful vocals powered the hits “Spinning Wheel” and “You’ve Made Me So Very Happy" for the rock-jazz fusion ...

The singer was known for hits "You've Made Me So Very Happy" and "And When I Die." ...

A memorial concert for the vocalist, who sang "You've Made Me So Very Happy," is in the works ...

Thomas, the Canadian singer whose gruff, soulful vocals for Blood, Sweat & Tears was an integral part of the band's late ...

PEOPLE can confirm that the singer-songwriter died on Wednesday, June 24 in Toronto ...

He was also the key lyricist of the Grammy-winning, genre-blending band, with hits like “Spinning Wheel,” “And When I Die” ...

David Clayton-Thomas, the Canadian singer and songwriter whose soulful voice was ubiquitous on American radio in the late ...

After years in prison, the Toronto native came to New York and led the brassy rock outfit on “Spinning Wheel,” “And When I ...