Just watched this from 2020. It's pretty good, as someone who did not know much about this guy other than his hit songs. Those interested with a prime account should check this one out. Nothing about his two quads, but it does go into Sundown and Edmund Fitzgerald fairly well
https://www.amazon.com/Gordon-Lightfoot-Could-Read-Mind/dp/B08HBRYD63
https://www.amazon.com/Gordon-Lightfoot-Could-Read-Mind/dp/B08HBRYD63