Guess the Fusion Rock Song Lyrics #15

*First line is the artist name. 1970. Rick Beato listed this artist as his #1 songwriter of the 1970s. David Crosby said she was a better songwriter than Bob Dylan. This Canadian artist's influence is immeasurable. This song of hers was later covered by Amy Grant. This could be considered an early Earth Day song. The song was inspired by a hotel view when she was visiting Hawaii.