guess who

Rock Quiz: Guess That Song [October 25]
Rock Quiz: Guess That Song [October 25]
Rock Quiz: Guess That Song [October 25]
Q) In 2000, a cover version of this song won a Grammy for Best Male Rock Vocal Performance. In 1970, it peaked at #8 and stayed on the Billboard charts for more than a year, becoming the biggest hit for a Canadian group. What song?