Gordon Lightfoot, a beloved Canadian folk singer-songwriter, passed away at the age of 81. He was known for his hundreds of songs and 20 studio albums, including his 1968 album "Did She Mention My Name?" and his 1974 U.S. No. 1 hit "Sundown." His influence was felt far and wide, with dozens of artists covering his work, and Bob Dylan calling him a "rare talent." Lightfoot will be remembered for his timeless music and his contribution to Canadian identity.