Question: Which artist did Neil Young cover, in his thirty-fourth studio album, that has been referred to as Canada's greatest songwriter? 
Sentence (from "A Letter Home"): The entire album, which consists of covers of classic songs by artists Bruce Springsteen, Bob Dylan, Willie Nelson, Gordon Lightfoot and others, was recorded in a refurbished 1947 Voice-o-Graph vinyl recording booth at Jack White's Third Man Records recording studio in Nashville, Tennessee.
Relevant evidence: Yes