Los Angeles, June 25 -- Canadian singer-songwriter David Clayton-Thomas, who rose to prominence on American radio in the late 1960s and early 70s as the lead singer of bass-driven group 'Blood, Sweat & Tears', has passed away.

According to Variety, the 84-year-old singer died peacefully at a Toronto hospital on Wednesday evening, as confirmed by his publicist.

Clayton-Thomas famously wrote 'Spinning Wheel', the group's most well-known original composition, which even reached No 2 on the Billboard Hot 100 in 1969. 'When I Die' and the powerful ballad 'You've Made Me So Very Happy' also reached No 2, voiced by the late singer.

The group even won two Grammys in 1970, including Best Album.

Even though the band's progress faded in the 70s,...